head to head · open source
Billion Mail vs TryPost
Billion Mail has 15,933 GitHub stars, 1,754 forks, 236 open issues and last shipped 4 months ago. TryPost has 721 stars, 191 forks, 39 open issues and last shipped yesterday. Billion Mail leads on adoption by 2,110% (15,933 vs 721 stars). Billion Mail is written in Go under AGPL-3.0; TryPost is written in PHP under AGPL-3.0. Billion Mail has attracted 11% as many forks as stars, TryPost 26%. TryPost 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
| Billion Mail | TryPost | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 721 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Go | PHP |
| Last push | 2026-06-11 | 2026-10-20 |
| Forks | ⑂ 1.8K | ⑂ 191 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Billion Mail if
- You weight community size — 16K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick TryPost if
- You want the TryPost feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and TryPost fits your workflow better
About Billion Mail
BillionMail 📧 An Open Source MailServer, NewsLetter, Email Marketing Solution for Smarter Campaigns [![][license shield]][license link] [![][docs shield]][docs link] [![][github release shield]][github release link] [![][github stars shield]][github stars link] English 简体中文 日本語 Türkçe What is BillionMail? BillionMail is a future open source Mail server, Email marketing platform designed to help businesses and individuals manage their email campaigns with ease. Whether you're sending newsletters, promotional emails, or transactional messages, this tool will provide full control over your email marketing efforts…
read the full Billion Mail overview →
About TryPost
Run your whole social presence from one calendar An open source social media scheduler with an AI copilot, native publishing to 12 networks, and an MCP server so your AI assistant can post for you. Self host it, or skip the setup on cloud. Try on Cloud • Documentation • Community What you get Features Supported platforms Posts publish natively through each platform's official API. Instagram Facebook LinkedIn X (Twitter) TikTok YouTube Pinterest Threads Bluesky Mastodon Telegram Discord Get started Own your stack TryPost is open source on purpose. Self host it and your posts, drafts, and metrics stay on…
read the full TryPost overview →
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Frequently asked questions
Is Billion Mail or TryPost more popular?
Billion Mail has 15,933 GitHub stars and TryPost has 721. Billion Mail has the larger community by that measure.
Are Billion Mail and TryPost free?
Both are open source. Billion Mail is licensed under AGPL-3.0 and TryPost under AGPL-3.0. Neither carries a licence fee.
What is the difference between Billion Mail and TryPost?
Billion Mail is written in Go and TryPost in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Billion Mail or TryPost?
Choose Billion Mail if you want the larger community (15,933 stars) or its AGPL-3.0 licence terms. Choose TryPost if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.