The 59 Best Developer Tools Fast-Growing Startups

1) Stack Overflow

Stack Overflow is a website where programmers and developers can exchange their knowledge and solve coding problems.

Details of the startup:

• Country: United States
• City: New York
• Started in: 2008
• Founders: Jeff Atwood, Joel Spolsky
• Number of employees: 251-500
• Funding amount: $153,000,000
• Number of funding rounds: 6
• Number of investors: 18

You can find their website here.

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2) BrowserStack

BrowserStack is a software testing platform that runs over two million tests per day in 15 data centers across the world.

Details of the startup:

• Country: Ireland
• City: Dublin
• Started in: 2011
• Founders: Nakul Aggarwal, Ritesh Arora
• Number of employees: 501-1000
• Funding amount: $250,000,000
• Number of funding rounds: 2
• Number of investors: 3

You can find their website here.

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3) GitHub

GitHub is a code hosting site that enables developers to create software for both open-source and private projects in businesses.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2008
• Founders: Chris Wanstrath, PJ Hyett, Scott Chacon, Tom Preston-Werner
• Number of employees: 501-1000
• Funding amount: $350,000,000
• Number of funding rounds: 4
• Number of investors: 7

You can find their website here.

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4) Snyk

Snyk is a cybersecurity firm that creates security analysis tools for detecting open-source flaws.

Details of the startup:

• Country: United States
• City: Boston
• Started in: 2015
• Founders: Assaf Hefetz, Danny Grander, Guy Podjarny
• Number of employees: 501-1000
• Funding amount: $752,000,000
• Number of funding rounds: 9
• Number of investors: 20

You can find their website here.

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5) LambdaTest

Users can use LambdaTest to test public or locally hosted web apps on a variety of browsers, operating systems, and devices.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2017
• Founders: Asad Khan, Jay Singh
• Number of employees: 101-250
• Funding amount: $25,000,000
• Number of funding rounds: 4
• Number of investors: 9

You can find their website here.

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6) Harness

Harness is a platform enabling engineering and DevOps teams to deliver apps into production using Continuous Delivery as a Service.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2016
• Founders: Jyoti Bansal, Rishi Singh
• Number of employees: 251-500
• Funding amount: $195,000,000
• Number of funding rounds: 4
• Number of investors: 13

You can find their website here.

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7) Determined AI

Determined AI is a machine learning startup that is changing the way deep learning models are built and delivered.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2017
• Founders: Ameet Talwalkar, Evan Sparks, Neil Conway
• Number of employees: 11-50
• Funding amount: $13,600,000
• Number of funding rounds: 2
• Number of investors: 9

You can find their website here.

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8) Foursquare

Foursquare is a location technology platform that uses a deep understanding of location to provide business solutions and consumer products.

Details of the startup:

• Country: United States
• City: New York
• Started in: 2009
• Founders: Dennis Crowley, Naveen Selvadurai
• Number of employees: 251-500
• Funding amount: $390,350,000
• Number of funding rounds: 9
• Number of investors: 23

You can find their website here.

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9) LaunchDarkly

LaunchDarkly is a tool for development teams to manage features.

Details of the startup:

• Country: United States
• City: Oakland
• Started in: 2014
• Founders: Edith Harbaugh, John Kodumal
• Number of employees: 101-250
• Funding amount: $130,300,000
• Number of funding rounds: 6
• Number of investors: 10

You can find their website here.

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10) Airtable

Airtable is a cloud-based software firm that creates and shares relational databases via a simple internet platform.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2013
• Founders: Andrew Ofstad, Emmett Nicholas, Howie Liu
• Number of employees: 251-500
• Funding amount: $617,600,000
• Number of funding rounds: 8
• Number of investors: 38

You can find their website here.

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11) RevenueCat

RevenueCat is a mobile subscription framework that enables in-app purchases and subscriptions simple to create and manage.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2017
• Founders: Jacob Eiting, Miguel Carranza
• Number of employees: 11-50
• Funding amount: $56,500,000
• Number of funding rounds: 4
• Number of investors: 16

You can find their website here.

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12) CircleCI

CircleCI is a continuous integration and delivery platform for IT operations and development workflows.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2011
• Founders: Allen Rohner, Paul Biggar
• Number of employees: 501-1000
• Funding amount: $315,000,000
• Number of funding rounds: 9
• Number of investors: 22

You can find their website here.

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13) Sentry

Sentry is a company that makes an application monitoring platform that allows developers to track apps in real time in order to detect vulnerabilities early.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2012
• Founders: Chris Jennings, David Cramer
• Number of employees: 101-250
• Funding amount: $127,000,000
• Number of funding rounds: 5
• Number of investors: 6

You can find their website here.

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14) Honeycomb

The most efficient method for visualizing, comprehending, and debugging software. Find the major issues that logs and analytics are oblivious to.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2016
• Founders: Charity Majors, Christine Yen
• Number of employees: 51-100
• Funding amount: $46,900,000
• Number of funding rounds: 5
• Number of investors: 13

You can find their website here.

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15) OutSystems

OutSystems is a low-code platform for developing, deploying, and managing enterprise-grade apps.

Details of the startup:

• Country: United States
• City: Boston
• Started in: 2001
• Founders: Paulo Rosado, Rui Pereira
• Number of employees: 1001-5000
• Funding amount: $572,081,804
• Number of funding rounds: 7
• Number of investors: 12

You can find their website here.

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16) Contentful

Contentful is a headless content management system that enables businesses to distribute information across many media.

Details of the startup:

• Country: Germany
• City: Berlin
• Started in: 2013
• Founders: Paolo Negri, Sascha Konietzke
• Number of employees: 251-500
• Funding amount: $159,600,000
• Number of funding rounds: 7
• Number of investors: 12

You can find their website here.

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17) Mux

Mux is a video platform that allows any development team to stream video and track analytics.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2015
• Founders: Adam Brown, Jon Dahl, Matt McClure, Steve Heffernan
• Number of employees: 101-250
• Funding amount: $173,920,000
• Number of funding rounds: 7
• Number of investors: 25

You can find their website here.

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18) Digital Asset

Digital Asset creates distributed, encrypted straight-through processing tools using ledger technology.

Details of the startup:

• Country: United States
• City: New York
• Started in: 2014
• Founders: Don Wilson, Eric Saraniecki, Shaul Kfir, Sunil Hirani, Yuval Rooz
• Number of employees: 101-250
• Funding amount: $307,200,000
• Number of funding rounds: 6
• Number of investors: 25

You can find their website here.

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19) YourBase

For fast-growing development teams, YourBase accelerates software testing.

Details of the startup:

• Country: United States
• City: Seattle
• Started in: 2018
• Founders: John Ewart, Yves Junqueira
• Number of employees: 11-50
• Funding amount: $5,000,000
• Number of funding rounds: 1
• Number of investors: 3

You can find their website here.

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20) Journal

Journal is a visual organizer for content from any app or website.

Details of the startup:

• Country: United States
• City: San Francisco
• Started in: 2018
• Founders: Avi Eisenberger, Samiur Rahman, Samuel DeBrule
• Number of employees: 1-10
• Funding amount: $5,500,000
• Number of funding rounds: 2
• Number of investors: 4

You can find their website here.

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21) Copado

Copado is a Salesforce-specific end-to-end native DevOps platform.

Details of the startup:

• Country: United States
• City: Chicago
• Started in: 2013
• Founders: Federico Larsen, Philipp Rackwitz
• Number of employees: 101-250
• Funding amount: $130,832,372
• Number of funding rounds: 3
• Number of investors: 6

You can find their website here.

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22) Creatio

Creatio is a global software firm that offers a leading low-code platform for process management and customer relationship management (CRM).

Details of the startup:

• Country: United States
• City: Boston
• Started in: 2013
• Founders: Katherine Kostereva
• Number of employees: 501-1000
• Funding amount: $68,000,000
• Number of funding rounds: 1
• Number of investors: 2

You can find their website here.

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23) Algorithmia

Algorithmia is a machine learning model deployment and management tool for organizations that automates MLOps.

Details of the startup:

• Country: United States
• City: Seattle
• Started in: 2014
• Founders: Diego Oppenheimer, Kenny Daniel
• Number of employees: 11-50
• Funding amount: $38,080,000
• Number of funding rounds: 3
• Number of investors: 11

You can find their website here.

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24) Silexica

Silexica offers software development services that help intelligent products, such as self-driving cars, move from concept to reality.

Details of the startup:

• Country: Germany
• City: Cologne
• Started in: 2014
• Founders: Johannes Emigholz, Maximilian Odendahl, Weihua Sheng
• Number of employees: 51-100
• Funding amount: $29,360,037
• Number of funding rounds: 4
• Number of investors: 6

You can find their website here.

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25) RStudio

For the R statistical computing environment, RStudio creates open source and enterprise-ready professional applications.

Details of the startup:

• Country: United States
• City: Boston
• Started in: 2009
• Founders: J.J. Allaire
• Number of employees: 251-500
• Funding amount: $161,279,004
• Number of funding rounds: 2
• Number of investors: 1

You can find their website here.

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26) Vev

The collaborative visual editor for building interactive websites by creatives.

Details of the startup:

• Country: Norway
• City: Oslo
• Started in: 2017
• Founders: Fredrik Evjen Ekli, Nicolay Thafvelin, Tine Karlsen
• Number of employees: 11-50
• Funding amount: $7,153,116
• Number of funding rounds: 4
• Number of investors: 5

You can find their website here.

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27) Koji

Koji is the most powerful bio platform in the world, constructing the app store for the Creator Economy.

Details of the startup:

• Country: United States
• City: San Diego
• Started in: 2016
• Founders: Dmitry Shapiro, Jonathan Miller, Sean Thielen
• Number of employees: 11-50
• Funding amount: $16,100,000
• Number of funding rounds: 5
• Number of investors: 32

You can find their website here.

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28) Hull

Hull assists companies in orchestrating client data and personalizing customer experiences at scale.

Details of the startup:

• Country: United States
• City: Atlanta
• Started in: 2013
• Founders: Jimmy Oliger, Matthieu Chereau, Romain Dardour, Stefan Koenig, Stéphane Bellity
• Number of employees: 11-50
• Funding amount: $5,201,199
• Number of funding rounds: 3
• Number of investors: 11

You can find their website here.

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29) Quick Base

Quick Base enables businesses to swiftly turn ideas for more efficient, informed, and productive ways of working into apps.

Details of the startup:

• Country: United States
• City: Cambridge-US
• Started in: 1999
• Number of employees: 251-500
• Funding amount: $90,000,000
• Number of funding rounds: 3
• Number of investors: 2

You can find their website here.

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30) Replicated

Cloud-based SaaS vendors can use Replicated to deliver an on-premises, self-hosted version of their software.

Details of the startup:

• Country: United States
• City: Los Angeles
• Started in: 2014
• Founders: Grant Miller, Marc Campbell
• Number of employees: 11-50
• Funding amount: $35,000,000
• Number of funding rounds: 4
• Number of investors: 18

You can find their website here.

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31) Acumatica

Acumatica is a cloud business management software company that helps small and midsize enterprises reach their full potential.

Details of the startup:

• Country: United States
• City: Kirkland
• Started in: 2006
• Founders: John S. Howell, Jr., Mike Chtchelkonogov, Serguei Beloussov
• Number of employees: 101-250
• Funding amount: $48,300,000
• Number of funding rounds: 5
• Number of investors: 5

You can find their website here.

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32) Rocket.Chat

Rocket.Chat is a platform that allows you to increase internal and external communication in a safe and controlled setting.

Details of the startup:

• Country: Brazil
• City: Porto Alegre
• Started in: 2016
• Founders: Gabriel Engel
• Number of employees: 51-100
• Funding amount: $26,900,313
• Number of funding rounds: 3
• Number of investors: 9

You can find their website here.

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33) Cypress.io

Cypress.io creates a browser-based automated testing solution for unit and integration testing.

Details of the startup:

• Country: United States
• City: Atlanta
• Started in: 2015
• Founders: Brian Mann, Randall Kent
• Number of employees: 11-50
• Funding amount: $54,809,298
• Number of funding rounds: 6
• Number of investors: 10

You can find their website here.

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34) Exeger Sweden AB

Exeger Sweden AB is a company that develops and sells novel materials that improve the efficiency of solar cells.

Details of the startup:

• Country: Sweden
• City: Stockholm
• Started in: 2008
• Founders: Giovanni Fili
• Number of employees: 11-50
• Funding amount: $66,145,187
• Number of funding rounds: 7
• Number of investors: 6

You can find their website here.

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35) Bitrise

Bitrise is a mobile app development platform that automates integration, testing, and deployment for tens of thousands of developers.

Details of the startup:

• Country: Hungary
• City: Budapest
• Started in: 2014
• Founders: Barnabas Birmacher, Daniel Balla, Viktor Benei
• Number of employees: 51-100
• Funding amount: $23,517,361
• Number of funding rounds: 4
• Number of investors: 6

You can find their website here.

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36) Octopus Deploy

Octopus Deploy is a deployment automation tool that is part of a DevOps automation platform.

Details of the startup:

• Country: Australia
• City: Brisbane
• Started in: 2012
• Founders: Paul Stovell
• Number of employees: 101-250
• Funding amount: $172,500,000
• Number of funding rounds: 1
• Number of investors: 1

You can find their website here.

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37) Secure Code Warrior

As developers improve their software security abilities, Secure Code Warrior makes secure coding a fun and engaging experience.

Details of the startup:

• Country: Australia
• City: Chippendale
• Started in: 2015
• Founders: Colin Wong, Fatemah Beydoun, Jaap Karan Singh, John Fitzgerald, Matias Madou, Nathan Desmet, Pieter Danhieux, Sally Krebs
• Number of employees: 101-250
• Funding amount: $51,500,000
• Number of funding rounds: 4
• Number of investors: 7

You can find their website here.

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38) GirnarSoft

GirnarSoft is an IT company that focuses on providing corporate value through offshore and outsourced software development.

Details of the startup:

• Country: India
• City: Jaipur
• Started in: 2007
• Founders: Amit Jain, Anurag Jain
• Number of employees: 501-1000
• Funding amount: $108,650,000
• Number of funding rounds: 5
• Number of investors: 5

You can find their website here.

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39) Igloo Software

Igloo is a renowned digital workplace solutions company.

Details of the startup:

• Country: Canada
• City: Kitchener
• Started in: 2008
• Founders: Dan Latendre
• Number of employees: 101-250
• Funding amount: $56,000,000
• Number of funding rounds: 3
• Number of investors: 5

You can find their website here.

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40) Flybits

The financial sector's top digital experience platform, offering individualized experiences to individuals at scale.

Details of the startup:

• Country: Canada
• City: Toronto
• Started in: 2013
• Founders: Hossein Rahnama
• Number of employees: 101-250
• Funding amount: $44,102,973
• Number of funding rounds: 5
• Number of investors: 16

You can find their website here.

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41) Onteon

Onteon is a microservices platform that promises up to 90% faster implementation and a 60% lower carbon footprint.

Details of the startup:

• Country: Poland
• City: Kraków
• Started in: 2015
• Founders: Piotr Róg
• Number of employees: 11-50
• Funding amount: € 525,000
• Number of funding rounds: 2
• Number of investors: 2

You can find their website here.

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42) Framer

Framer is a tool for creating high-fidelity interactive prototypes for iOS, Android, the desktop, and the web.

Details of the startup:

• Country: The Netherlands
• City: Amsterdam
• Started in: 2013
• Founders: Jorn van Dijk, Koen Bok
• Number of employees: 51-100
• Funding amount: $33,000,000
• Number of funding rounds: 3
• Number of investors: 9

You can find their website here.

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43) AppGyver

AppGyver is a professional no-code platform for React and React Native app development.

Details of the startup:

• Country: Finland
• City: Helsinki
• Started in: 2010
• Founders: Henri Vahakainu, Jeff Alonzo, Marko Lehtimaki
• Number of employees: 11-50
• Funding amount: $10,994,735
• Number of funding rounds: 4
• Number of investors: 3

You can find their website here.

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44) Slite

Slite is a collaborative writing tool that clarifies their work and keeps them in sync no matter where they are.

Details of the startup:

• Country: France
• City: Paris
• Started in: 2017
• Founders: Christophe Pasquier, Thibaud Elziere
• Number of employees: 11-50
• Funding amount: $15,400,000
• Number of funding rounds: 2
• Number of investors: 5

You can find their website here.

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45) Buildkite

Buildkite is a platform for executing continuous integration pipelines on your own infrastructure that is fast, safe, and scalable.

Details of the startup:

• Country: Australia
• City: Fitzroy
• Started in: 2013
• Founders: Keith Pitt, Lachlan Donald, Tim Lucas
• Number of employees: 11-50
• Funding amount: A$28,200,000
• Number of funding rounds: 2
• Number of investors: 2

You can find their website here.

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46) Supabase

Supabase is a developer of a set of developer tools aimed at automating repetitive tasks.

Details of the startup:

• Country: Singapore
• City: Singapore
• Started in: 2020
• Number of employees: 1-10
• Funding amount: $6,125,000
• Number of funding rounds: 2
• Number of investors: 5

You can find their website here.

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47) Eficode

With operations in Northern and Western Europe, Eficode is a DevOps, software, automation, and design company.

Details of the startup:

• Country: Finland
• City: Helsinki
• Started in: 2005
• Founders: Risto Virkkala
• Number of employees: 251-500
• Funding amount: € 6,000,000
• Number of funding rounds: 1
• Number of investors: 1

You can find their website here.

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48) Nhost

Nhost is a fully functional serverless backend for web and mobile apps.

Details of the startup:

• Country: Sweden
• City: Stockholm
• Started in: 2019
• Founders: Johan Eliasson, Nuno Pato
• Number of employees: 1-10
• Funding amount: $3,110,000
• Number of funding rounds: 2
• Number of investors: 6

You can find their website here.

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49) Buf

Buf is developing solutions to assist businesses in entirely changing how they work with APIs across their whole lifecycle.

Details of the startup:

• Country: Canada
• City: Toronto
• Started in: 2020
• Number of employees: 1-10
• Funding amount: $25,463,794
• Number of funding rounds: 3

You can find their website here.

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50) Codacy

Codacy is an automated code review solution that helps developers minimize technical debt and save time during code reviews.

Details of the startup:

• Country: Portugal
• City: Lisbon
• Started in: 2012
• Founders: Jaime Jorge, Joao Caxaria
• Number of employees: 1-10
• Funding amount: $14,400,000
• Number of funding rounds: 4
• Number of investors: 8

You can find their website here.

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51) Vamp.io

Vamp is a canary testing and releasing tool for modern cloud platforms that is smart and stress-free.

Details of the startup:

• Country: The Netherlands
• City: Amsterdam
• Started in: 2013
• Founders: Hermen Heinen, Olaf Molenveld, Tim Nolet
• Number of employees: 11-50
• Funding amount: € 3,135,000
• Number of funding rounds: 5
• Number of investors: 4

You can find their website here.

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52) Guardsquare

Guardsquare creates high-end software to safeguard mobile apps from reverse engineering and hacking.

Details of the startup:

• Country: Belgium
• City: Leuven
• Started in: 2014
• Founders: Eric Lafortune, Heidi Rakels
• Number of employees: 51-100
• Funding amount: $29,556,877
• Number of funding rounds: 2
• Number of investors: 1

You can find their website here.

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53) Nota

Nota creates Scrapbox, a new kind of note-taking for teams, as well as an app for sharing screen captures and GIFs.

Details of the startup:

• Country: Japan
• City: Kyoto
• Started in: 2007
• Founders: Isshu Rakusai
• Number of employees: 1-10
• Funding amount: $6,551,445
• Number of funding rounds: 2
• Number of investors: 7

You can find their website here.

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54) Luos

For efficiently building, testing, and deploying embedded applications, use an open source and real-time architecture.

Details of the startup:

• Country: France
• City: Bordeaux
• Started in: 2018
• Founders: Emanuel Allely, Nicolas Rabault, Simon Baudry
• Number of employees: 1-10
• Funding amount: € 1,380,000
• Number of funding rounds: 2
• Number of investors: 7

You can find their website here.

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55) Bionexo

Bionexo creates and manages high-performance digital supply chain systems for hospitals.

Details of the startup:

• Country: Brazil
• City: Sao Paulo
• Started in: 2000
• Founders: Guido Kovalskys, Mauricio De Lazzari Barbosa
• Number of employees: 51-100
• Funding amount: R$95,000,000
• Number of funding rounds: 3
• Number of investors: 3

You can find their website here.

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56) Nulab

Nulab is a group of upbeat developers dedicated to developing software that facilitates teamwork.

Details of the startup:

• Country: Japan
• City: Fukuoka
• Started in: 2004
• Founders: Masanori Hashimoto, Shinsuke Tabata, Toshitaka Agata
• Number of employees: 101-250
• Funding amount: $5,886,716
• Number of funding rounds: 2
• Number of investors: 4

You can find their website here.

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57) HappyOrNot

HappyOrNot specializes on real-time customer and staff experience management, allowing businesses to improve their efficiency.

Details of the startup:

• Country: Finland
• City: Tampere
• Started in: 2009
• Founders: Heikki Väänänen, Ville Levaniemi
• Number of employees: 101-250
• Funding amount: $40,226,453
• Number of funding rounds: 3
• Number of investors: 4

You can find their website here.

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58) Reloadly

APIs for prepaid airtime, data, and digital mobile payments that work across emerging markets.

Details of the startup:

• Country: Spain
• City: Barcelona
• Started in: 2018
• Founders: Emmanuel Piard, Michel Francis
• Number of employees: 11-50
• Funding amount: $3,301,405
• Number of funding rounds: 4
• Number of investors: 9

You can find their website here.

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59) portto / Blocto

The goal of portto is to make blockchain easy to use for both users and developers.

Details of the startup:

• Country: Taiwan
• City: Taipei
• Started in: 2019
• Founders: Hsuan Lee
• Number of employees: 1-10
• Funding amount: $8,820,000
• Number of funding rounds: 4
• Number of investors: 4

You can find their website here.

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