Best open-source dev tools

API clients, search engines, observability, and monitoring stacks built for developers, by developers.

5 tools

Alternative to Postman

A fast, lightweight API development client.

Open SourceMIT70K

Alternative to Datadog, New Relic

Dashboards and observability for everything.

Open SourceAGPL 3.066K

Alternative to Algolia

Lightning-fast, typo-tolerant search.

Open SourceMIT51K

Alternative to Algolia

Open-source instant search, tuned for relevance.

Open SourceGPL 3.024K

Alternative to Datadog, New Relic

Open-source observability in one app.

Open SourceMIT23K

Command Palette