Explore Tech Stacks Behind Popular Open Source Tools

Discover top tech stacks powering popular open-source projects. Learn which technologies are trending and widely used. Expand your skills, contribute, or update your tech stack.

AI
OpenAI (168)Anthropic (104)Ollama (40)Groq (38)Gemini AI (38)Mistral AI (37)Cohere AI (21)Hugging Face (20)AWS Bedrock (18)X AI (16)Vertex AI (15)Perplexity AI (13)
Language
JavaScript (655)CSS (575)Bash (544)Typescript (538)JSX (407)Python (278)SCSS (161)Golang (156)Rust (115)C (112)Objective-C (103)Vue (96)
Framework
Next.js (199)Laravel (31)NestJS (29)SvelteKit (29)Tauri (27)Nuxt.js (17)Remix (13)Tanstack Start (11)Django (9)Rails (5)Meteor (2)Yii2 (1)
Database
Postgres (251)Redis (222)Mysql (81)SQLite (66)ClickHouse (65)MongoDB (65)Elasticsearch (42)MariaDB (28)Upstash Redis (26)Algolia (23)Qdrant (20)libSQL (17)
Cloud
AWS (264)GCP (148)Vercel (110)Cloudflare (65)Supabase (54)Azure (54)Upstash (37)Flyio (29)Netlify (28)Google (26)Firebase (19)Railway (11)
UI Framework
React (396)Vue.js (80)Svelte (46)Angular (25)ExpoJS (19)Solid js (16)Preact (12)Lit (9)Alpine.js (6)Ember (5)HTMX (3)Ionic (3)
Runtime
NodeJS (612)Electron (62)Bun (46)Deno (17)Capacitor (4)Cordova (1)
Tool
Docker (537)Express (145)OpenAPI (127)MCP (75)React Email (58)HonoJS (54)TRPC (44)Socket.io (29)Fastify (25)Mailhog (17)Koa (8)Twig (8)
Analytics
PostHog (157)Vercel Analytics (36)Segment (19)Google Analytics (16)Amplitude Analytics (12)Mixpanel (10)Plausible (8)Tinybird (9)LogSnag (4)Hotjar (1)
Auth
Betterauth (34)Clerk (14)Auth0 (9)Okta (4)Ory (4)SuperTokens (4)WorkOS (4)Hanko (2)Logto (2)Supabase Auth (2)AWS Cognito (1)PropelAuth (1)
CMS
Ghost (3)Contentful (2)Payload (2)Shopify (2)Wordpress (2)Commercetools (1)Dato CMS (1)Drupal (1)Strapi (1)Webflow (1)
Hosting
Cloudflare Workers (44)Vercel Functions (30)Kubernetes (27)Github Pages (22)Render (20)AWS Lambda (15)Vercel Edge (15)Google Compute (10)AWS Container (8)Azure Kubernetes (4)Cloud Run (4)Google Kubernetes (4)
CI/CD
Github Actions (657)Dependabot (185)Codecov (80)Renovate (68)CypressCI (55)TravisCI (29)CircleCI (20)Gitlab CI (18)Depot.dev (8)GitHub CodeQL (8)Deepsource (7)StyleCI (6)
Payment
Stripe (119)Polar (14)Paddle (7)Lemon Squeezy (5)Paypal (5)RevenueCat (1)Square (1)
Monitoring
Sentry (163)OpenTelemetry (119)Prometheus (62)Datadog (12)AWS Cloudwatch (11)Zipkin (9)Better Stack (4)HyperDX (4)Bugsnag (3)New Relic (3)Cloud Logging (2)Rollbar (2)
Security
Snyk (9)AWS Kms (7)Cloud KMS (6)Infisical (6)
Storage
AWS S3 (182)Cloud Storage (45)Azure Storage (23)AWS Container Registry (15)AWS CloudFront (8)Supabase Storage (3)AWS Block Storage (2)Cloud Artifact Registry (1)
ORM
Drizzle ORM (67)Prisma (64)Knex (30)TypeORM (19)GORM (16)Kysely (15)Diesel (9)Doctrine (6)Sequelize (6)SQLAlchemy (6)ent. (4)
Test
Vitest (227)Jest (180)Testing Library (178)Storybook (85)Mocha (51)PHPUnit (41)PHP Pest (16)Lighthouse (4)Grafana K6 (2)
Builder
Vite (274)Babel (127)Turborepo (123)Esbuild (113)Webpack (111)Rollup (66)SWC (59)NX (25)Rspack (10)Parcel (8)Rolldown (5)
Package Manager
npm (313)pnpm (194)nvm (171)Yarn (126)Cargo (113)Composer (62)Bundler (51)Poetry (31)asdf (29)rubyenv (25)pipenv (5)goenv (2)
SSG
Docusaurus (41)Astro (30)FumaDocs (30)Mintlify (25)MkDocs (18)VitePress (12)Jekyll (5)Fern (4)Hugo (3)Read The Docs (3)Gatsby (2)Eleventy (1)VuePress (1)
Automation
Playwright (141)Puppeteer (30)Firecrawl (15)Selenium (11)AWS Step Functions (3)Inngest (3)Crawl4AI (2)Apify (1)Browser Use (1)n8n (1)
Communication
Slack (58)Discord (18)X (16)Telegram (11)Facebook (9)Youtube (9)Intercom (8)Linkedin (4)Zendesk (4)Twitch (3)Zoom (3)Instagram (2)
Collaboration
Crowdin (48)Airtable (16)Notion (11)Cal.com (10)Linear (8)Gmail (4)Calendly (3)Google Sheets (3)Asana (2)Google Calendar (2)Google Drive (2)ClickUp (1)
Notification
Resend (83)Twilio (20)Sendgrid (15)AWS Simple Email Service (14)AWS Notification Service (9)Mailgun (7)Zapier (5)Mailchimp (4)Brevo (3)Novy (3)Beehiiv (2)Mailjet (1)
Queue
RabbitMQ (23)Apache Kafka (17)Nats (15)AWS SQS (12)Upstash QStash (11)Celery (9)PubSub (8)AWS Kinesis (3)Upstash Kafka (2)Supabase Realtime (1)
CRM
Salesforce (4)HubSpot (1)Twenty CRM (1)
Validation
Zod (276)JSON Schema (112)Joi (15)TypeBox (11)Valibot (8)ArkType (4)Superstruct (3)
ETL
Nango (5)Composio (3)Logstash (3)Databricks (2)Airbyte (1)Apideck (1)
IaC
Helm (69)Terraform (31)Pulumi (7)Terragrunt (2)AWS CloudFormation (1)
Linter
Eslint (441)Prettier (412)Biome JS (85)Stylelint (35)PHPStan (25)Rubocop (21)OxLint (20)Vale (13)GolangCI Lint (11)
Maps
Mapbox (10)Google Maps (6)
Iconset
Lucide Icons (223)Radix Icons (72)React Icons (65)Heroicons (46)Tabler (40)Font Awesome (22)MUI Icons (22)Phosphor Icons (21)Ant Design Icons (19)Remix Icons (17)Simple Icons (14)Bootstrap Icons (6)Feather Icons (3)
UI
Tailwind (364)Radix UI (195)Shadcn (168)React Router DOM (155)Tiptap (98)CodeMirror (85)Monaco Editor (80)Headless UI (56)Bootstrap (34)TanStack Router (33)Material UI (32)D3.js (30)
SaaS
GitHub (238)Postmark (9)LaunchDarkly (7)Cloudinary (6)Figma (4)Dropbox (3)Pagerduty (2)Postman (2)Split (2)Spotify (2)Wolfram Alpha (2)Docusign (1)
App
Nginx (96)Grafana (25)Caddy (22)Traefik (20)Zookeeper (13)Kibana (10)Adminer (5)HAProxy (2)Postgrest (2)HTTPD (1)Kong (1)Mongo Express (1)Tika (1)