# Top 34 Developer Tools Startups Founded in 2023 by Funding (2026)

> The 34 best-funded developer Tools startups founded in 2023, ranked by total funding raised: $3.6B combined.

Source: https://millionrounds.com/top-lists/developer-tools-startups-founded-2023 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Poolside** Poolside is an AI startup founded in 2023 by Jason Warner and Eiso Kant.](https://millionrounds.com/company/poolside) Poolside is an AI startup founded in 2023 by Jason Warner and Eiso Kant. *Founded* 2023 San Francisco, United States **$1.5B** last round Oct 2024
- 2 [**Lovable** Lovable Labs Incorporated, based in Stockholm, is a full-stack AI development platform focused on making software creation accessible to everyone.](https://millionrounds.com/company/lovable) Lovable Labs Incorporated, based in Stockholm, is a full-stack AI development platform focused on making software creation accessible to everyone. *Founded* 2023 Stockholm, Sweden **$1.4B** last round Aug 2026
- 3 [**CodeRabbit** CodeRabbit is an AI-powered platform that automates code reviews for software development teams.](https://millionrounds.com/company/coderabbit) CodeRabbit is an AI-powered platform that automates code reviews for software development teams. *Founded* 2023 San Francisco, United States **$203M** last round Aug 2026
- 4 [**Daytona** Daytona is a New York-based infrastructure technology company founded in 2023.](https://millionrounds.com/company/daytona) Daytona is a New York-based infrastructure technology company founded in 2023. *Founded* 2023 New York, Croatia **$132M** last round Oct 2026
- 5 [**Parallel Web Systems** Parallel Web Systems is an AI infrastructure company focused on enhancing how AI agents interact with the web.](https://millionrounds.com/company/parallel-web-systems) Parallel Web Systems is an AI infrastructure company focused on enhancing how AI agents interact with the web. *Founded* 2023 San Francisco, United States **$100M** last round Apr 2026
- 6 [**Ollama** Get up and running with large language models.](https://millionrounds.com/company/ollama) Get up and running with large language models. *Founded* 2023 Palo Alto, United States **$65M** last round Jul 2026
- 7 [**Runware** Runware is an AI-as-a-Service company based in San Francisco, founded in 2023 by Flaviu Radulescu and Ioana Hreninciuc.](https://millionrounds.com/company/runware) Runware is an AI-as-a-Service company based in San Francisco, founded in 2023 by Flaviu Radulescu and Ioana Hreninciuc. *Founded* 2023 Redwood City, United States **$50M** last round Dec 2025
- 8 [**Dify** Dify.AI is an open-source platform designed for developing, deploying, and managing Large Language Model (LLM) applications.](https://millionrounds.com/company/dify) Dify.AI is an open-source platform designed for developing, deploying, and managing Large Language Model (LLM) applications. *Founded* 2023 Menlo Park, United States **$30M** last round Mar 2026
- 9 [**CopilotKit** The full-stack framework for building user interactive agents and copilots.](https://millionrounds.com/company/copilotkit) The full-stack framework for building user interactive agents and copilots. *Founded* 2023 Seattle, United States **$27M** last round May 2026
- 10 [**Dottxt** dottxt offers LLMs for machine language.](https://millionrounds.com/company/dottxt) dottxt offers LLMs for machine language. *Founded* 2023 Ridgewood, France **$21M** last round Oct 2024
- 11 [**Mem0** Mem0 is a San Francisco-based AI infrastructure company founded in 2023.](https://millionrounds.com/company/mem0) Mem0 is a San Francisco-based AI infrastructure company founded in 2023. *Founded* 2023 San Francisco, United States **$20M** last round Oct 2025
- 12 [**Distributional** Distributional is an enterprise technology company focused on creating a modern platform for safe and reliable AI.](https://millionrounds.com/company/distributional) Distributional is an enterprise technology company focused on creating a modern platform for safe and reliable AI. *Founded* 2023 San Francisco, United States **$19M** last round Oct 2024
- 13 [**Resend** Resend is a developer-first email infrastructure platform founded in 2023, evolving from an open-source project started in 2022.](https://millionrounds.com/company/resend) Resend is a developer-first email infrastructure platform founded in 2023, evolving from an open-source project started in 2022. *Founded* 2023 San Francisco, United States **$18M** last round Dec 2024
- 14 [**Momentic** Momentic is an AI-native platform designed for engineering teams to create, execute, and maintain end-to-end tests for web, iOS, and Android applications using](https://millionrounds.com/company/momentic) Momentic is an AI-native platform designed for engineering teams to create, execute, and maintain end-to-end tests for web, iOS, and Android applications using *Founded* 2023 San Francisco, United States **$15M** last round Nov 2025
- 15 [**Medusa** Weed delivery company delivering cannabis products to consumers in legal states.](https://millionrounds.com/company/medusa) Weed delivery company delivering cannabis products to consumers in legal states. *Founded* 2023 Denmark **$8.0M** last round Jul 2022
- 16 [**Wootz.work** Wootz.work is a global sourcing and manufacturing platform that connects industrial OEMs with complex custom parts across India and Southeast Asia.](https://millionrounds.com/company/wootz-work) Wootz.work is a global sourcing and manufacturing platform that connects industrial OEMs with complex custom parts across India and Southeast Asia. *Founded* 2023 Gurugram, India **$6.6M** last round Feb 2026
- 17 [**Charm** ChARM's mission is to revolutionize pediatric healthcare by providing an accessible, accurate, and reliable tool for the early detection of pneumonia in children.](https://millionrounds.com/company/charm) ChARM's mission is to revolutionize pediatric healthcare by providing an accessible, accurate, and reliable tool for the early detection of pneumonia in children. *Founded* 2023 Castricum, United States **$6.0M** last round Nov 2023
- 18 [**Basalt** Basalt is an aerospace company based in San Francisco that specializes in designing, building, and integrating fully autonomous satellite constellations for pri](https://millionrounds.com/company/basalt) Basalt is an aerospace company based in San Francisco that specializes in designing, building, and integrating fully autonomous satellite constellations for pri *Founded* 2023 San Francisco, United States **$5.0M** last round Dec 2025
- 19 [**PolyAPI** PolyAPI is a Denver-based technology startup founded in 2023.](https://millionrounds.com/company/polyapi) PolyAPI is a Denver-based technology startup founded in 2023. *Founded* 2023 Denver, United States **$4.1M** last round Jun 2024
- 20 [**ContextSDK** ContextSDK is an on-device AI startup based in New York City, focused on intent detection and context-aware technology for mobile applications.](https://millionrounds.com/company/contextsdk) ContextSDK is an on-device AI startup based in New York City, focused on intent detection and context-aware technology for mobile applications. *Founded* 2023 New York, Austria **$4.0M** last round Sept 2024
- 21 [**Vocode** Vocode is an open-source library for building voice-based LLM applications.](https://millionrounds.com/company/vocode) Vocode is an open-source library for building voice-based LLM applications. *Founded* 2023 San Francisco, United States **$3.3M** last round Feb 2024
- 22 [**Opper AI** Opper AI is a Stockholm-based generative AI infrastructure company founded in 2023.](https://millionrounds.com/company/opper-ai) Opper AI is a Stockholm-based generative AI infrastructure company founded in 2023. *Founded* 2023 Enebyberg, Sweden **$3.0M** last round Jul 2025
- 23 [**CodeAnt AI** CodeAnt AI is the agentic code security platform, combining defense and offense in a single self-learning engine.](https://millionrounds.com/company/codeant-ai) CodeAnt AI is the agentic code security platform, combining defense and offense in a single self-learning engine. *Founded* 2023 San Francisco, United States **$2.0M** last round May 2025
- 24 [**Openvolt** Openvolt is a climate tech startup based in Dublin, Ireland, founded in 2023.](https://millionrounds.com/company/openvolt) Openvolt is a climate tech startup based in Dublin, Ireland, founded in 2023. *Founded* 2023 Dublin, Ireland **$1.6M** last round Sept 2023
- 25 [**Cat Paradise** Cat Paradise is a Web3 game developer for digital cat pet development that is based on the TONNE Web3 game.](https://millionrounds.com/company/cat-paradise) Cat Paradise is a Web3 game developer for digital cat pet development that is based on the TONNE Web3 game. *Founded* 2023 Chicago, United States **$1.0M** last round Jun 2023
- 26 [**Stitch Technologies** Stitch Technologies is a U.S.-focused company dedicated to enhancing manufacturing through sustainable practices and advanced technology.](https://millionrounds.com/company/stitch-technologies) Stitch Technologies is a U.S.-focused company dedicated to enhancing manufacturing through sustainable practices and advanced technology. *Founded* 2023 London, United Kingdom **$500K** last round Apr 2024
- 27 [**SuretyNow** SuretyNow is a technology-driven surety bond platform based in Austin, Texas, founded in 2022.](https://millionrounds.com/company/suretynow) SuretyNow is a technology-driven surety bond platform based in Austin, Texas, founded in 2022. *Founded* 2023 Austin, United States **$500K** last round Apr 2024
- 28 [**RecipeUI** RecipeUI is an open source postman alternative for viewing and debugging GraphQL requests in Chrome and Firefox.](https://millionrounds.com/company/recipeui) RecipeUI is an open source postman alternative for viewing and debugging GraphQL requests in Chrome and Firefox. *Founded* 2023 Bengaluru, United States **$500K** last round Sept 2023
- 29 [**Line.Build** Line.Build is a B2B software company based in San Francisco, focused on affordable building decarbonization and construction technology workflows.](https://millionrounds.com/company/line-build) Line.Build is a B2B software company based in San Francisco, focused on affordable building decarbonization and construction technology workflows. *Founded* 2023 San Francisco, United States **$500K** last round Sept 2023
- 30 [**Mirrorful** Mirrorful is a web-based software development platform that allows you to create and share any website in any setting.](https://millionrounds.com/company/mirrorful) Mirrorful is a web-based software development platform that allows you to create and share any website in any setting. *Founded* 2023 San Francisco, United States **$500K** last round Apr 2023
- 31 [**Rosettic** Rosettic tracks your cloud usage down to the individual API invocation and database row.](https://millionrounds.com/company/rosettic) Rosettic tracks your cloud usage down to the individual API invocation and database row. *Founded* 2023 San Francisco, United States **$500K** last round Apr 2023
- 32 [**Teclada** Teclada: Secure, effortless browser-based terminal access.](https://millionrounds.com/company/teclada) Teclada: Secure, effortless browser-based terminal access. *Founded* 2023 Mountain View, United States **$500K** last round Apr 2023
- 33 [**SiLogy** Silogy is a software development company based in New York, founded in 2023.](https://millionrounds.com/company/silogy) Silogy is a software development company based in New York, founded in 2023. *Founded* 2023 New York, United States **$500K** last round Mar 2024
- 34 [**Pierre** Pierre is a platform for building software.](https://millionrounds.com/company/pierre) Pierre is a platform for building software. *Founded* 2023 San Francisco, United States **$500K** last round Apr 2023

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies founded in 2023 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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## More developer tools lists

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