Best open-source dev tools

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

Quick answer

Top open-source picks in Developer Tools are frp, Hoppscotch, Grafana, Gitea, and Meilisearch. Compare all 12 below by features, license, and GitHub activity.

12 tools

frp

Alternative to ngrok

Expose local servers to the internet on your own terms.

Open SourceApache 2.0107K

Hoppscotch

Alternative to Postman

A fast, lightweight API development client.

Open SourceMIT70K

Grafana

Alternative to Datadog, New Relic

Dashboards and observability for everything.

Open SourceAGPL 3.066K

Gitea

Alternative to GitHub

The painless, self-hosted Git service that runs anywhere.

Open SourceMIT56K

Meilisearch

Alternative to Algolia

Lightning-fast, typo-tolerant search.

Open SourceMIT51K

Podman

Alternative to Docker Desktop

Daemonless, rootless containers without the Docker Desktop license fees.

Open SourceApache 2.032K

OpenTofu

Alternative to Terraform

Truly open infrastructure as code, forever.

Open SourceMPL 2.029K

Typesense

Alternative to Algolia

Open-source instant search, tuned for relevance.

Open SourceGPL 3.024K

SigNoz

Alternative to Datadog, New Relic

Open-source observability in one app.

Open SourceMIT23K

OpenTelemetry

Alternative to Datadog, New Relic

Vendor-neutral observability for every stack.

Open SourceApache 2.05.4K

Templatical

Alternative to Unlayer, BeeFree

An open-source drag-and-drop email editor SDK.

Open SourceSource Available368

GlitchTip

Alternative to Sentry

Sentry-compatible error tracking that fits on a tiny VPS.

Open SourceMIT350

Best open-source dev tools

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