head to head · open source
postiz vs parlant
postiz has 36,014 GitHub stars, 6,900 forks, 306 open issues and last shipped yesterday. parlant has 18,290 stars, 1,555 forks, 41 open issues and last shipped 2 months ago. postiz leads on adoption by 97% (36,014 vs 18,290 stars). postiz is written in TypeScript under AGPL-3.0; parlant is written in Python under Apache-2.0. postiz has attracted 19% as many forks as stars, parlant 9%. 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 | parlant | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 18K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-07-12 |
| Forks | ⑂ 6.9K | ⑂ 1.6K |
| 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 parlant if
- You want the parlant feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and parlant 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 parlant
Parlant is a Python project licensed under Apache 2.0, and it presents itself as an interaction control harness for customer facing AI agents. It lives in the open source large language model ecosystem, with topic tags for ai agents, llm, openai, gemini, llama3, genai, python, customer service, customer success, and ai alignment. The README describes a server based Python SDK for creating agents, observations, and guidelines.
read the full parlant overview →
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Frequently asked questions
Is postiz or parlant more popular?
postiz has 36,014 GitHub stars and parlant has 18,290. postiz has the larger community by that measure.
Are postiz and parlant free?
Both are open source. postiz is licensed under AGPL-3.0 and parlant under Apache-2.0. Neither carries a licence fee.
What is the difference between postiz and parlant?
postiz is written in TypeScript and parlant in Python. 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 parlant?
Choose postiz if you want the larger community (36,014 stars) or its AGPL-3.0 licence terms. Choose parlant if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.