head to head · open source
Billion Mail vs prod-FARM-IOS-Core
Billion Mail has 15,619 GitHub stars, 1,704 forks, 236 open issues and last shipped 3 months ago. prod-FARM-IOS-Core has 1,523 stars, 288 forks, 3 open issues and last shipped 14 days ago. Billion Mail leads on adoption by 926% (15,619 vs 1,523 stars). Billion Mail is written in Go under AGPL-3.0; prod-FARM-IOS-Core is written in TypeScript under Apache-2.0. Billion Mail has attracted 11% as many forks as stars, prod-FARM-IOS-Core 19%. prod-FARM-IOS-Core 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 | prod-FARM-IOS-Core | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 1.5K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Go | TypeScript |
| Last push | 2026-06-11 | 2026-09-07 |
| Forks | ⑂ 1.7K | ⑂ 288 |
| 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 prod-FARM-IOS-Core if
- You want the prod-FARM-IOS-Core feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and prod-FARM-IOS-Core fits your workflow better
About Billion Mail
BillionMail is an open source mail server and email marketing platform written in Go and released under the AGPL 3.0 license. It lives in the self hosted email ecosystem and is described as a solution for newsletters, promotional emails, and transactional messages. The project combines mail server topics such as Postfix, Dovecot, Rspamd, and SMTP with campaign features such as customer management, analytics, templates, and sending control.
read the full Billion Mail overview →
About prod-FARM-IOS-Core
prod FARM IOS Core, also called Phone Farm iOS, is an open source TypeScript application for operating physical iOS devices from a Mac. It lives in the iOS device automation ecosystem around Appium, WebDriverAgent, the XCUITest driver, Node.js, PostgreSQL, and TikTok workflow tooling.
read the full prod-FARM-IOS-Core overview →
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Frequently asked questions
Is Billion Mail or prod-FARM-IOS-Core more popular?
Billion Mail has 15,619 GitHub stars and prod-FARM-IOS-Core has 1,523. Billion Mail has the larger community by that measure.
Are Billion Mail and prod-FARM-IOS-Core free?
Both are open source. Billion Mail is licensed under AGPL-3.0 and prod-FARM-IOS-Core under Apache-2.0. Neither carries a licence fee.
What is the difference between Billion Mail and prod-FARM-IOS-Core?
Billion Mail is written in Go and prod-FARM-IOS-Core in TypeScript. 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 prod-FARM-IOS-Core?
Choose Billion Mail if you want the larger community (15,619 stars) or its AGPL-3.0 licence terms. Choose prod-FARM-IOS-Core if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.