head to head · open source
postiz vs keploy
postiz has 36,014 GitHub stars, 6,900 forks, 306 open issues and last shipped yesterday. keploy has 18,463 stars, 2,357 forks, 725 open issues and last shipped yesterday. postiz leads on adoption by 95% (36,014 vs 18,463 stars). postiz is written in TypeScript under AGPL-3.0; keploy is written in Go under Apache-2.0. postiz has attracted 19% as many forks as stars, keploy 13%. postiz was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| postiz | keploy | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 18K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick postiz if
- You weight community size — 36K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick keploy if
- You want the keploy feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and keploy fits your workflow better
About postiz
Postiz is an open source social media scheduling tool built as a self hosted alternative to commercial platforms like Buffer and Hootsuite. It enables users to schedule, manage, and analyze posts across multiple social networks—including X (Twitter), Bluesky, Mastodon, and Discord—while supporting AI assisted content creation and team collaboration. The project lives in the Next.js and NestJS ecosystem, using a monorepo structure with TypeScript, Prisma (defaulting to PostgreSQL), and Temporal for background workflows.
read the full postiz overview →
About keploy
Keploy is an open source Go project in the API and integration testing ecosystem. It is a developer centric API and integration testing tool that creates safe, isolated production sandboxes for API, integration, and end to end testing. The project records API calls, database queries, and streaming events, then replays them as tests and data mocks. It captures traffic at the network layer with eBPF, so the README says it is code less and language agnostic.
read the full keploy overview →
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Frequently asked questions
Is postiz or keploy more popular?
postiz has 36,014 GitHub stars and keploy has 18,463. postiz has the larger community by that measure.
Are postiz and keploy free?
Both are open source. postiz is licensed under AGPL-3.0 and keploy under Apache-2.0. Neither carries a licence fee.
What is the difference between postiz and keploy?
postiz is written in TypeScript and keploy in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, postiz or keploy?
Choose postiz if you want the larger community (36,014 stars) or its AGPL-3.0 licence terms. Choose keploy if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.