head to head · open source
Prometheus vs pglite
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. pglite has 16,226 stars, 467 forks, 166 open issues and last shipped yesterday. Prometheus leads on adoption by 312% (66,906 vs 16,226 stars). Prometheus is written in Go under Apache-2.0; pglite is written in TypeScript under Apache-2.0. Prometheus has attracted 16% as many forks as stars, pglite 3%. Prometheus 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
| Prometheus | pglite | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 16K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 467 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 67K 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 pglite if
- You want the pglite 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 pglite fits your workflow better
About Prometheus
Prometheus Visit prometheus.io for the full documentation, examples and guides. [ ][quay] [ ][hub] Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts when specified conditions are observed. The features that distinguish Prometheus from other metrics and monitoring systems are: A multi dimensional data model (time series defined by metric name and set of key/value dimensions) PromQL, a powerful and flexible query language to…
read the full Prometheus overview →
About pglite
PGlite the WASM build of Postgres from Electric . Build reactive, realtime, local first apps directly on Postgres. PGlite Postgres in WASM PGlite is a WASM Postgres build packaged into a TypeScript client library that enables you to run Postgres in the browser, Node.js, Bun and Deno, with no need to install any other dependencies. It is only 3mb gzipped and has support for many Postgres extensions, including pgvector and PostGIS. It can be used as an ephemeral in memory database, or with persistence either to the file system (Node/Bun/Deno) or indexedDB (Browser). Unlike previous "Postgres in the browser"…
read the full pglite overview →
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Frequently asked questions
Is Prometheus or pglite more popular?
Prometheus has 66,906 GitHub stars and pglite has 16,226. Prometheus has the larger community by that measure.
Are Prometheus and pglite free?
Both are open source. Prometheus is licensed under Apache-2.0 and pglite under Apache-2.0. Neither carries a licence fee.
What is the difference between Prometheus and pglite?
Prometheus is written in Go and pglite 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, Prometheus or pglite?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose pglite if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.