head to head · open source
telegraf vs OpenReplay
telegraf has 17,807 GitHub stars, 5,839 forks, 449 open issues and last shipped yesterday. OpenReplay has 12,880 stars, 844 forks, 180 open issues and last shipped yesterday. telegraf leads on adoption by 38% (17,807 vs 12,880 stars). telegraf is written in Go under MIT; OpenReplay is written in TypeScript under a custom or non-standard licence. telegraf has attracted 33% as many forks as stars, OpenReplay 7%. telegraf 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
| telegraf | OpenReplay | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 13K |
| License | MIT | Custom / other |
| Written in | Go | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 5.8K | ⑂ 844 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick telegraf if
- You weight community size — 18K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick OpenReplay if
- You want the OpenReplay feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and OpenReplay fits your workflow better
About telegraf
Telegraf is a Go based, MIT licensed open source agent that collects, processes, aggregates, and writes metrics, logs, and other arbitrary data, and it is aimed at engineers who run their own monitoring and observability pipelines.
read the full telegraf overview →
About OpenReplay
OpenReplay is open source session replay suite. It lives in JavaScript web app monitoring and observability ecosystem. It supports session replay, cobrowsing, product analytics. TypeScript project. GitHub category is Infrastructure & Operations / Monitoring & Observability. Topics include analytics, angular, devtools, feature flags, ios, javascript, nextjs, product analytics, react, react native, real user monitoring, session replay.
read the full OpenReplay overview →
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Frequently asked questions
Is telegraf or OpenReplay more popular?
telegraf has 17,807 GitHub stars and OpenReplay has 12,880. telegraf has the larger community by that measure.
Are telegraf and OpenReplay free?
Both are open source. telegraf is licensed under MIT, and OpenReplay has no licence declared in this registry. Both are free to self-host.
What is the difference between telegraf and OpenReplay?
telegraf is written in Go and OpenReplay 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, telegraf or OpenReplay?
Choose telegraf if you want the larger community (17,807 stars) or its MIT licence terms. Choose OpenReplay if its feature set, stack or Custom / other licence fits better. Both are self-hostable.