Open Source Dev Tools alternatives in 2026
Backends, automation and databases to build faster.
Quick comparison
Sorted by featured first, then GitHub stars as a tiebreaker — the same rule we use across the whole site.
| Tool | License | Minimum RAM | GPU | Docker | GitHub |
|---|---|---|---|---|---|
| Supabase 100% FOSS1-Click Deploy | Apache-2.0 | ~2GB | — | ✅ | ★ ~78,000 |
| Uptime Kuma Lightest option100% FOSS1-Click Deploy | MIT | ~256MB | — | ✅ | ★ ~57,000 |
| Stirling PDF Lightest optionMost popular on GitHub | MIT | ~256MB | — | ✅ | ★ ~91,100 |
| Grafana Lightest option1-Click Deploy | AGPL-3.0 | ~256MB | — | ✅ | ★ ~66,000 |
| Strapi 1-Click Deploy | MIT | ~1GB | — | ✅ | ★ ~64,000 |
| n8n 1-Click Deploy | Sustainable Use License (Fair-code) | ~1GB | — | ✅ | ★ ~55,000 |
| NocoDB 1-Click Deploy | AGPL-3.0 | ~1GB | — | ✅ | ★ ~50,000 |
| Appwrite 100% FOSS1-Click Deploy | BSD-3-Clause | ~2GB | — | ✅ | ★ ~47,000 |
| Gitea 1-Click Deploy | MIT | ~1GB | — | ✅ | ★ ~46,000 |
| Meilisearch Lightest option1-Click Deploy | MIT | ~256MB | — | ✅ | ★ ~46,000 |
| Appsmith Lightest option | Apache-2.0 | ~256MB | — | ✅ | ★ ~40,800 |
| PocketBase Lightest option100% FOSS1-Click Deploy | MIT | ~256MB | — | ✅ | ★ ~40,000 |
| Novu | MIT | ~2GB | — | ✅ | ★ ~34,000 |
| Hasura 1-Click Deploy | Apache-2.0 | ~1GB | — | ✅ | ★ ~31,000 |
| Portainer Lightest option1-Click Deploy | Zlib | ~256MB | — | ✅ | ★ ~30,000 |
| Infisical | MIT | ~2GB | — | ✅ | ★ ~29,100 |
| Directus 1-Click Deploy | BUSL-1.1 | ~1GB | — | ✅ | ★ ~29,000 |
| Budibase Lightest option | GPL-3.0 | ~256MB | — | ✅ | ★ ~28,200 |
| GitLab CE | MIT | ~512MB | — | ✅ | ★ ~24,000 |
| Jenkins Lightest option100% FOSS1-Click Deploy | MIT | ~256MB | — | ✅ | ★ ~23,000 |
| Typesense Lightest option100% FOSS1-Click Deploy | GPL-3.0 | ~256MB | — | ✅ | ★ ~21,000 |
| SearXNG Lightest option100% FOSS1-Click Deploy | AGPL-3.0 | ~256MB | — | ✅ | ★ ~18,000 |
| Activepieces | MIT | ~2GB | — | ✅ | ★ ~14,000 |
| Unleash 1-Click Deploy | Apache-2.0 | ~1GB | — | ✅ | ★ ~13,000 |
| Windmill 1-Click Deploy | AGPL-3.0 | ~1GB | — | ✅ | ★ ~9,000 |
| Documenso 1-Click Deploy | AGPL-3.0 | ~1GB | — | ✅ | ★ ~8,000 |
| listmonk 100% FOSS1-Click Deploy | AGPL-3.0 | ~1GB | — | ✅ | ★ ~7,000 |
| Forgejo Lightest option100% FOSS | GPL-3.0-or-later | ~256MB | — | ✅ | ★ ~6,000 |
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Build my stackDetailed profile of each alternative
Alternative to Airtable
Smart spreadsheet on top of SQL, an alternative to Airtable.
Alternative to Firebase
Backend-as-a-service on PostgreSQL, an alternative to Firebase.
Alternative to Firebase
Multi-language backend-as-a-service, an alternative to Firebase.
Alternative to Zapier, Make
Workflow automation, an alternative to Zapier.
Alternative to GitHub
Lightweight Git platform, a self-hosted alternative to GitHub.
Alternative to GitHub
Complete DevOps platform (Git + CI/CD), an alternative to GitHub.
Alternative to CircleCI
Extensible CI/CD server, a self-hosted alternative to CircleCI.
Alternative to Docker Desktop
Visual panel for managing Docker/Kubernetes, an alternative to the Docker CLI.
Alternative to Contentful
Headless CMS on top of your own database, an alternative to Contentful.
Alternative to Contentful
The most popular open source headless CMS, an alternative to Contentful.
Alternative to Firebase
Backend-as-a-service in a single binary, a minimal alternative to Firebase.
Instant GraphQL API over PostgreSQL, an alternative to Firebase/AppSync.
Alternative to Algolia
Fast, typo-tolerant search engine, an alternative to Algolia.
Alternative to Algolia
Simple, fast search engine, another open source alternative to Algolia.
Alternative to OneSignal
Multichannel notification infrastructure, an alternative to OneSignal.
Alternative to Retool
Scripts, workflows and internal dashboards, a self-hostable alternative to Retool.
Alternative to LaunchDarkly
Open source feature flags, a self-hostable alternative to LaunchDarkly.
Alternative to Mailchimp
Newsletters and email campaigns, an alternative to Mailchimp with no per-subscriber cost.
Alternative to DocuSign
Electronic document signing, an open source alternative to DocuSign.
Alternative to UptimeRobot, Pingdom
Self-hosted uptime monitor, an alternative to UptimeRobot.
Alternative to Datadog
Observability dashboards, a self-hosted alternative to Datadog.
Alternative to Google Search
Private metasearch engine aggregating dozens of engines, no tracking.
Alternative to Retool, Airtable
Low-code builder for internal apps, an alternative to Retool.
Alternative to Retool, PowerApps
Low-code editor for internal dashboards, a direct alternative to Retool.
Alternative to Adobe Acrobat, Smallpdf
Self-hosted PDF Swiss army knife, an alternative to Smallpdf/Adobe Acrobat.
Alternative to GitHub, GitLab
Gitea's community fork, a lightweight Git forge with 100% open governance.
Alternative to HashiCorp Vault, Doppler
Secrets and environment variable management, a simple alternative to Vault/Doppler.
Alternative to Zapier, Make
Workflow automation with 200+ integrations, an alternative to Zapier.
Alternative to Notion
Start page for your HomeLab with live status of your services.
Alternative to Pushover
Push notifications via HTTP for your scripts and services, an alternative to Pushover.
Alternative to OpenAI API
Unified gateway for LLM APIs, with spend control and centralized logs.
Alternative to GitHub Codespaces
Remote development environments on your own infrastructure, an alternative to GitHub Codespaces.
Alternative to Prefect Cloud
Workflow and data pipeline orchestration, an alternative to Prefect Cloud.
Alternative to Backblaze
Encrypted, deduplicated backups to any destination, an alternative to paid backup services.
Frequently asked questions
Which Dev Tools tools are 100% free?
9 out of 28 are 100% FOSS. The rest are Open-Core: the core is free, but some advanced feature may stay paid — we call it out on each tool's page.
Do I need a GPU to use these tools?
No, none of the 28 tools in this category need a GPU — they all run fine on CPU alone.
How much RAM do I need at minimum?
The lightest option on this list is Uptime Kuma, which runs on as little as 256MB of RAM — enough for a cheap VPS.