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Free alternatives

Free and open-source alternatives to popular dev tools

25 well-known paid tools and 51 free or open-source tools that do the same job. Free here means free to use or to self-host, not a free trial or a limited tier of a paid product.

All open source unless marked * (source-available: free to self-host, with limits in the license). Licenses and prices checked 2026-10-01; hover a mark for the license. Self-hosting is free, but you pay for the server (a small VPS is about $4–6/mo).

AI coding

Cursorfrom $20/user/mo (Pro)
ClineZedCompare →
GitHub Copilotfrom $10/mo (Pro)
Tabby MLClineCompare →
Claude Codefrom $20/mo (Claude Pro)
OpenCodeAiderGemini CLICompare →

APIs

Postmanfrom $9/user/mo (Solo)
BrunoHoppscotchInsomniaCompare →

Search

Algoliafrom usage-based
MeilisearchTypesenseOpenSearchCompare →
Elasticsearchfrom usage-based (Elastic Cloud)
OpenSearchMeilisearchTypesenseCompare →

Hosting

Herokufrom $5/mo per dyno (Eco)
CoolifyDokploy*CapRoverCompare →
Vercelfrom $20/mo per seat (Pro)
CoolifyDokploy*Compare →

Backend

Firebasefrom usage-based (Blaze)
SupabaseAppwritePocketBaseCompare →

Auth

Auth0from $35/mo (Essentials)
KeycloakSuperTokensZitadelBetter AuthCompare →

CMS

Contentful
StrapiPayloadDirectus*Compare →

Monitoring

Datadogfrom $15/host/mo
GrafanaSigNozOpenObserveCompare →
Sentry.iofrom $26/mo (Team)
GlitchTipSigNozCompare →

Analytics

Mixpanelfrom usage-based
PostHogOpenPanelCompare →
Amplitudefrom usage-based
PostHogOpenPanelCompare →

Automation

Zapierfrom $19.99/mo (annual)
n8n*ActivepiecesWindmillCompare →
Makefrom $9/mo (Core)
n8n*ActivepiecesCompare →

Internal tools

Retool
AppsmithToolJetBudibaseCompare →

Docs and wikis

Notion
AppFlowyAFFiNEOutline*Compare →
GitBookfrom $65/mo per site
DocusaurusOutline*Compare →

DevOps

Dockerfrom $9/user/mo (Pro)
PodmanColimaCompare →
GitHub Actions
Woodpecker CIJenkinsCompare →
Terraform
OpenTofuPulumiCompare →

Databases

Redisfrom $5/mo (Redis Cloud)
ValkeyDragonfly DB*Compare →

Security

Snyk
SemgrepTrivyCompare →

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reviewed by hand

Spotted a wrong license? Tell us on X. Open-source tools can still sell a hosted version; the label is about the code you can run yourself.