Developer ToolsUploadThing
Type-safe file uploads for Next.js, React and the rest of the TypeScript world
Developer Tools
Developer ToolsReflex
Build full-stack web apps in pure Python — no JavaScript required, deploy with one command.
Developer ToolsGrowthBook
Open-source feature flags, A/B testing and warehouse-native experimentation, with a free unlimited self-host.
Developer ToolsHatchet
Open-source orchestration engine for background tasks, AI agents, and durable workflows
Developer ToolsCypress
JavaScript E2E testing with time-travel and Test Replay
Developer ToolsNango
Open-source platform for AI-built product integrations across 700+ APIs.
Developer ToolsHyperDX
Open-source, dev-friendly observability platform unifying session replays, logs, traces, metrics and errors — built on ClickHouse and OpenTelemetry.
Developer ToolsPostmark
Sub-second transactional email delivery for SaaS — used where the inbox cannot be missed.
Developer ToolsCap
Open source Loom alternative — beautiful, shareable screen recordings owned by you
Developer ToolsTinaCMS
Open-source Git-backed headless CMS with click-to-edit visual editing for Markdown, MDX and JSON.
Developer ToolsMailtrap
Email delivery platform that combines safe sandbox testing with reliable transactional sending for dev teams.
Developer ToolsApidog
All-in-one API platform: design, debug, mock, test, and document APIs in one workspace
Developer ToolsDeno
Modern secure runtime for JavaScript and TypeScript with built-in TypeScript, npm compatibility, and a permission-based security model
Developer ToolsStoryblok
Headless CMS with a true visual editor that lets marketers ship pages without bothering developers
Developer ToolsKnock
Customer engagement infrastructure: cross-channel notifications, in-app inboxes, and workflows in one API
Developer ToolsEncore
Open-source Go + TypeScript backend framework that auto-provisions databases, Pub/Sub and APIs on AWS or GCP.
Developer ToolsTiptap
The headless rich text editor framework that makes ProseMirror approachable.
Developer ToolsE2B
Secure Firecracker microVM sandboxes that give AI agents real computers — used by 88% of Fortune 100 companies
Developer ToolsRetool
Build internal software faster with AI, drag-and-drop UI, and 90+ data connectors
Developer ToolsHasura
Instant GraphQL APIs on Postgres, MongoDB, ClickHouse and SQL Server — with row-level auth and a Rust-rewritten engine.
Developer ToolsPapermark
The open-source DocSend alternative with secure data rooms, page-level analytics and custom domains.
Developer ToolsHookdeck
Reliable event gateway for receiving, queueing, and delivering webhooks at scale
Developer ToolsDaytona
Secure, sub-90ms sandboxes purpose-built for running AI-generated code at scale.
Developer ToolsSanity
Developer-first headless CMS with structured content, GROQ queries and a fully customizable studio.