head to head · open source
jaeger vs voltagent
jaeger has 23,368 GitHub stars, 3,222 forks, 547 open issues and last shipped 2 days ago. voltagent has 10,917 stars, 1,186 forks, 86 open issues and last shipped 21 days ago. jaeger leads on adoption by 114% (23,368 vs 10,917 stars). jaeger is written in Go under Apache-2.0; voltagent is written in TypeScript under MIT. jaeger has attracted 14% as many forks as stars, voltagent 11%. jaeger 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
| jaeger | voltagent | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 11K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-03 | 2026-10-15 |
| Forks | ⑂ 3.2K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick jaeger if
- You weight community size — 23K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick voltagent if
- You want the voltagent feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and voltagent fits your workflow better
About jaeger
[![Slack chat][slack img]]( get in touch) [![Unit Tests][ci img]][ci] [![Coverage Status][cov img]][cov] [![Project+Community stats][community badge]][community stats] [![FOSSA Status][fossa img]][fossa] [![OpenSSF Scorecard][openssf img]][openssf] [![OpenSSF Best Practices][openssf bp img]][openssf bp] [![CLOMonitor][clomonitor img]][clomonitor] [![Artifact Hub][artifacthub img]][artifacthub] Jaeger a Distributed Tracing System 💥💥💥 Jaeger v2 is out! Read the blog post and try it out. Quick Start Get Jaeger running in seconds with Docker: For production deployments and more options, see the Getting Started…
read the full jaeger overview →
About voltagent
AI Agent Engineering Platform English 繁體中文 简体中文 日本語 한국어 Home Page Documentation Examples VoltAgent is an end to end AI Agent Engineering Platform that consists of two main parts: Open Source TypeScript Framework – Memory, RAG, Guardrails, Tools, MCP, Voice, Workflow, and more. VoltOps Console Cloud Self Hosted – Observability, Automation, Deployment, Evals, Guardrails, Prompts, and more. Build agents with full code control and ship them with production ready visibility and operations. Core TypeScript Framework With the open source framework, you can build intelligent agents with memory, tools, and multi step…
read the full voltagent overview →
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Frequently asked questions
Is jaeger or voltagent more popular?
jaeger has 23,368 GitHub stars and voltagent has 10,917. jaeger has the larger community by that measure.
Are jaeger and voltagent free?
Both are open source. jaeger is licensed under Apache-2.0 and voltagent under MIT. Neither carries a licence fee.
What is the difference between jaeger and voltagent?
jaeger is written in Go and voltagent 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, jaeger or voltagent?
Choose jaeger if you want the larger community (23,368 stars) or its Apache-2.0 licence terms. Choose voltagent if its feature set, stack or MIT licence fits better. Both are self-hostable.