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Find free alternatives to paid software.
Created by Sushil Kumar Sah.

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Popular alternativesChatGPT Claude Claude Code Cursor GitHub Copilot Notion Figma Canva Photoshop Slack Airtable Zapier Google Analytics Vercel Firebase Dropbox

Feature Flag Tools

Abby

Type-safe feature flags and remote config for developers.

Pricing not verified

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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166Repository stars

35Forks

AGPL-3.0License

1y agoLast commit

Abby product interface — Abby · official product interface

About Abby

Type-safe feature flags and remote config for developers. A self-hosting option is recorded for this project. Review the official deployment instructions and maintenance requirements before running it yourself.

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Feature Flag Tools

Technology stack

Technologies recorded in the catalog snapshot.

Github Actions JavaScript NodeJS CSS Docker Typescript Eslint JSX Prettier React Tailwind Vite Zod Vitest Lucide Icons Redis pnpm Radix UI Testing Library Next.js Shadcn OpenAI nvm Sentry Express Esbuild Turborepo Stripe Vercel Tiptap Biome JS Storybook Monaco Editor Cloudflare React Icons Radix Icons HonoJS Prisma Cloudflare Workers Headless UI Svelte TRPC SvelteKit MariaDB Angular Mailhog Cal.com Koa Plausible LogSnag

Tags

typescript open-source hacktoberfest nextjs tailwindcss feature-flags feature-toggles trpc t3-stack a-b-testing

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Project details

License AGPL-3.0

Hosting Self-hosting available

Status Listed

Data checked 11 Oct 2026

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