12 cool open-source projects worth checking out in 2025

1. docuseal

   1 15 8,991 9.8 Ruby

   Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

   

   Website link: DocuSeal

2. InfluxDB

   influxdata.com featured

   InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

   

3. postgrest-rs

   2 13 432 5.2 Rust

   Rust client for PostgREST

   

   Website link: Supabase

4. rekor

   3 33 948 9.5 Go

   Software Supply Chain Transparency Log

   

   Website link: Sigstore

5. PostHog

   4 121 25,893 10.0 Python

   🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.

   

   Website link: PostHog

6. penpot

   5 233 37,401 10.0 Clojure

   Penpot: The open-source design tool for design and code collaboration

   

   Website link: Penpot

7. opentelemetry-collector

   6 43 5,064 9.9 Go

   OpenTelemetry Collector

   

   Website link: OpenTelemetry

8. astro

   7 591 50,538 10.0 TypeScript

   The web framework for content-driven websites. ⭐️ Star to support our work!

   

   Website link: Astro

9. CodeRabbit

   coderabbit.ai featured

   CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

   

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