Developer Tools
The Best Free Developer Tools Software
Every tool here has a permanent free tier, assessed on what the free plan genuinely delivers rather than on the upgrade path.
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GitHub
The default home for source control, code review and CI, with the largest developer network effect.
4.7(21,400)$0 / $4 per user / monthDeveloper experience4.8CI/CD4.4Security tooling4.3Self-hosting3.5 - 2
Linear
Keyboard-first issue tracking built for software teams that prize speed over configurability.
4.7(2,140)$0 / $8 per user / monthSpeed and UX5.0Workflow flexibility3.2Reporting depth3.6Integrations4.1 - 3
Cloudflare
Edge network combining CDN, security, zero-trust access and developer compute.
4.6(7,900)$0 / $25 per month plus usageDeployment speed4.2Developer experience4.1Edge coverage5.0Cost predictability4.6 - 4
Vercel
Frontend deployment platform with preview environments and global edge delivery.
4.6(4,700)$0 / $20 per user / month plus usageDeployment speed5.0Developer experience4.9Edge coverage4.5Cost predictability3.2 - 5
Postman
API development platform covering design, testing, mocking and documentation.
4.5(10,600)$0 / $14 per user / monthDeveloper experience4.4Testing depth4.5Documentation4.3Collaboration4.2 - 6
Framer
Design tool that publishes production websites directly from the canvas.
4.5(3,100)$0 / $10 per site / monthMultiplayer4.3Design systems3.8Prototyping4.5Publishing4.8 - 7
Retool
Internal tool builder that assembles admin panels over existing databases and APIs.
4.5(2,900)$10 per standard user / monthBuild speed4.8Data connectivity4.7Extensibility4.3Governance4.2 - 8
GitLab
Single-application DevOps platform spanning source control, CI/CD, security and deployment.
4.4(8,200)$0 / $29 per user / monthDeveloper experience4.0CI/CD4.7Security tooling4.6Self-hosting5.0 - 9
Datadog
Unified observability across infrastructure, applications, logs and security.
4.4(6,300)$15 per host / monthSignal correlation4.8Coverage breadth4.9Cost predictability2.8Alerting4.5 - 10
Netlify
Frontend hosting platform with strong framework-agnostic build and deploy tooling.
4.4(3,600)$0 / $19 per user / monthDeployment speed4.4Developer experience4.4Edge coverage4.0Cost predictability3.8