Topic
Open-source startups tagged #developer-tools
25 open-source startups in this directory carry the GitHub topic #developer-tools. 17 pushed code in the last 30 days, 2 have been quiet for 31–120 days, 6 have not pushed in over 120 days or are archived. Topics are set by each repository’s own maintainers, so this is what those projects chose to call themselves rather than a category we assigned.
Ship status
17 of 25 pushed in the last 30 days.
The list
All 25, most-starred first.
The last column is the most recent push to any branch, by a person or a bot — it is not a claim that anyone is maintaining the project, and a quiet repository may be a finished one.
| Project | What it does | Stars | Ship status | Last push |
|---|---|---|---|---|
 OpenHandsAll-Hands-AI/OpenHandsStill shipping | 🙌 OpenHands: AI-Driven Development | 90.6K | Still shipping | |
 hoppscotchhoppscotch/hoppscotchStill shipping | Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia | 80.6K | Still shipping | |
 daytonadaytonaio/daytonaGone silent | Daytona is a Secure and Elastic Infrastructure for Running AI-Generated Code | 71.6K | Gone silent | |
 localstacklocalstack/localstackGone silent | 💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline | 65.1K | Gone silent | |
 brunousebruno/brunoStill shipping | Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia) | 47.5K | Still shipping | |
 appsmithappsmithorg/appsmithStill shipping | Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API. | 41.1K | Still shipping | |
 lapcelapce/lapceStill shipping | Lightning-fast and Powerful Code Editor written in Rust | 38.9K | Still shipping | |
 continuecontinuedev/continueStill shipping | open-source coding agent | 36.2K | Still shipping | |
 tabbyTabbyML/tabbySlowed | Self-hosted AI coding assistant | 33.9K | Slowed | |
 gpt-pilotPythagora-io/gpt-pilotSlowed | The first real AI developer | 33.6K | Slowed | |
 responsively-appresponsively-org/responsively-appStill shipping | A modified web browser that helps in responsive web development. A web developer's must have dev-tool. | 25.2K | Still shipping | |
 marimomarimo-team/marimoStill shipping | A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor. | 23.1K | Still shipping | |
 wavetermwavetermdev/wavetermStill shipping | An open-source, AI-integrated, cross-platform terminal for seamless workflows | 22.5K | Still shipping | |
 paseogetpaseo/paseoStill shipping | Orchestrate multiple coding agents from desktop and mobile | 20.5K | Still shipping | |
 dailydailydotdev/dailyStill shipping | daily.dev is the personalized developer news feed and community. Get the best tech content from all over the web in your browser new tab or on mobile. Free and open source. | 20.1K | Still shipping | |
 iiiiii-hq/iiiStill shipping | Effortlessly compose, extend, and observe every service in real-time for the first time ever. | 18.8K | Still shipping | |
 harperAutomattic/harperStill shipping | Offline, privacy-first grammar checker. Fast, open-source, Rust-powered | 16.3K | Still shipping | |
 plandexplandex-ai/plandexGone silent | Open source AI coding agent. Designed for large projects and real world tasks. | 15.7K | Gone silent | |
 devpodloft-sh/devpodGone silent | Codespaces but open-source, client-only and unopinionated: Works with any IDE and lets you use any cloud, kubernetes or just localhost docker. | 15.3K | Gone silent | |
 supersetsuperset-sh/supersetStill shipping | Superset is an agentic IDE to orchestrate 100+ coding agents in parallel. Run any agent with your own subscription. | 15.1K | Still shipping | |
 semanticasemantica-agi/semanticaStill shipping | Graph-Native Infrastructure for Context and Accountable AI Systems | 13.9K | Still shipping | |
 zealzealdocs/zealStill shipping | Offline documentation browser. Your personal reference library, searchable in an instant. | 12.8K | Still shipping | |
 illa-builderillacloud/illa-builderGone silent | Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool. | 12.3K | Gone silent | |
 pyroscopegrafana/pyroscopeStill shipping | Continuous Profiling Platform. Debug performance issues down to a single line of code | 11.7K | Still shipping | |
 jsonhero-webtriggerdotdev/jsonhero-webGone silent | JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀. Built with 💜 by the Trigger.dev team. | 10.9K | Gone silent |
Related collections
Sideways from here.
The 8 largest other topics in the directory, then the other ways to slice it.