Preview mode — 111 repos, zero database

The open-source stack,
curated by builders.

Tell us what you're building or what you need. We'll surface the right repo, with an honest take on whether to use it.

Filtered by“saas”clear

Matches for "saas"

43 repos

The default for Next.js builders in 2026. Not a dependency — you copy components into your codebase and own them forever. Built on Radix primitives so accessibility is solid out of the box. The catch:…

UI ComponentsDesign Systems

You are on Next.js or Vite + React with Tailwind, you want full control over component code, and you do not mind some manual maintenance.

You need Material Design specifically, you want automatic library upgrades, or you are not on Tailwind.

shadcn-ui/uiView

mantinedev

mantine

100+ components and 50+ hooks. ~26k stars. Particularly strong on form handling and date pickers. Less hyped than shadcn but mature, well-documented, and just works. Good fit for SaaS dashboards.

UI ComponentsForms & Validation

You want a comprehensive React component library with excellent forms and hooks out of the box.

You want copy-paste ownership of component code — Mantine is a traditional dependency.

mantinedev/mantineView

ant-design

The B2B default in Asia. ~93k stars. Deep, enterprise-grade component set — tables, forms, dates, charts all included. Visually distinctive (and dated to some eyes). Strong choice for admin panels but…

UI ComponentsDesign Systems

You are building enterprise admin panels, data-heavy dashboards, or SaaS for Chinese/SEA markets.

You are building consumer-facing products — the look is too enterprise.

ant-design/ant-designView

airbnb

lottie-web

Render Adobe After Effects animations as JSON in the browser. ~30k stars. Best way to bring a designer's After Effects work to web/mobile without re-implementing. Files can be large — optimize them.

Animation & Motion

A designer is delivering complex animations (onboarding flows, illustrations) authored in After Effects.

You need interactive animations — Lottie is for playback, not interaction.

airbnb/lottie-webView

aceternity

Premium-feeling animated components for landing pages. Free core + paid pro. Useful as a reference even if you do not use the components directly — the source shows good Motion patterns.

Animation & MotionUI Components

You are shipping a SaaS landing page and want premium-feeling motion without a designer.

You need consistent product UI components — these are landing-page flair, not a design system.

aceternity/uiView

qdrant

Rust-based vector database — fast, production-grade, Apache 2.0. Good developer experience and clear pricing if you use their managed cloud. Strong choice if Postgres+pgvector cannot handle your scale…

AI & MLDatabase & ORM

You need production-grade vector search at scale and Postgres is hitting limits.

You are starting fresh on Postgres — pgvector is enough for most apps.

qdrant/qdrantView

chroma-core

chroma

AI-native embedding database designed for rapid prototyping. Easy to run locally, tight LangChain integration. Better for hackathons and internal tools than huge production deployments.

AI & MLDatabase & ORM

You are prototyping RAG, building an internal tool, or bundling a vector DB into a desktop/local app.

You expect millions of vectors in production — look at Qdrant, Weaviate, or pgvector.

chroma-core/chromaView

pgvector

Vector search inside Postgres. ~12k stars and dominant in 2026 as the boring-but-correct default. If you already have Postgres (Supabase, Neon, RDS), do not add another database — just install this ex…

AI & MLDatabase & ORM

You are already on Postgres and want vector search without operating a second database.

You need billion-scale vector search with millisecond latency — a dedicated vector DB is worth the operational cost.

pgvector/pgvectorView

milvus-io

milvus

Open-source vector DB with the most mature features for huge scale. ~30k stars. Steeper operational burden than Qdrant. Used in production by companies doing serious vector workloads.

AI & MLDatabase & ORM

You are running vector search at extreme scale with a team that can operate distributed systems.

You are a small team — Qdrant or pgvector will be enough and easier to run.

milvus-io/milvusView

weaviate

Vector DB with strong hybrid search (vector + keyword) and built-in modules for common embedding workflows. Slightly higher learning curve than Qdrant but powerful for production RAG.

AI & MLDatabase & ORM

You need hybrid keyword + vector search and want it built in rather than bolted on.

You only need pure vector search — Qdrant is simpler.

weaviate/weaviateView

better-auth

The most flexible modern auth library for TypeScript stacks in 2026. Plugin ecosystem for 2FA, phone OTP, organization roles, audit logs. Same code works with Next.js, TanStack Start, Express. Becomin…

Authentication

You are starting a full-stack TypeScript app and want long-term scalability with full control over auth flows.

You want a fully managed auth platform with no ops — use WorkOS or Auth0.

better-auth/better-authView

nextauthjs

next-auth

The OG Next.js auth library, now Auth.js. ~24k stars. Quick to add OAuth providers (80+ preconfigured). Best for fast MVP work where you mostly need social login. Less flexible than Better Auth for ad…

Authentication

You are shipping a Next.js MVP fast and need social login (Google, GitHub) working in an hour.

You need fine-grained control over sessions, multi-tenant logic, or organization roles — pick Better Auth.

nextauthjs/next-authView

supertokens

supertokens-core

Self-hostable auth backend with managed cloud option. Full session management, user management dashboard, multi-tenancy. Good middle ground between rolling your own and using a SaaS like Auth0.

Authentication

You want full control over auth data, self-hosting capability, and a working admin dashboard.

You want zero ops — managed providers will be less work.

supertokens/supertokens-coreView

lucia-auth

lucia

Note: Lucia announced deprecation in 2024 — the maintainer is sunsetting it in favor of writing your own. Still useful as a learning reference for session-based auth patterns in TypeScript. Better Aut…

Authentication

You want to learn how session-based auth works from a clean codebase before building your own.

You are picking auth for a new production app — use Better Auth or Auth.js instead.

lucia-auth/luciaView

keycloak

Enterprise auth/IAM platform. ~24k stars. Java-based, self-hosted, supports SAML, OIDC, fine-grained authorization. Heavy to operate but the right pick for compliance-heavy enterprise apps.

Authentication

You are doing enterprise SSO with SAML/OIDC and need self-hosting for compliance reasons.

You are a small team or a B2C product — way too much complexity.

keycloak/keycloakView

supabase

Postgres + Auth + Storage + Realtime + Edge Functions in one open-source platform. ~73k stars. The fastest way to ship a backend in 2026 for solo founders and small teams. Mumbai region for India late…

Database & ORMAuthentication

You are a solo founder or small team shipping a SaaS or mobile app and want one backend service.

You need NoSQL specifically, or your team has strong DevOps and wants raw Postgres.

supabase/supabaseView

drizzle-team

drizzle-orm

TypeScript-first ORM with SQL-like syntax. ~25k stars. Lighter than Prisma, zero codegen step, faster cold starts on serverless. Becoming the default for new Next.js + Postgres projects.

Database & ORM

You are on Postgres/MySQL/SQLite, write TypeScript, and want SQL-like queries with type safety.

Your team prefers a high-level ORM with relations resolved magically — Prisma is more polished.

drizzle-team/drizzle-ormView

prisma

The polished ORM. ~38k stars. Best developer experience for relational data, declarative schema, generated client. Trade-off: cold starts on serverless are slower than Drizzle, and the abstraction can…

Database & ORM

Your team values DX over performance and most queries are CRUD on relational data.

You are running on Edge or Vercel functions where cold start matters — Drizzle is faster.

prisma/prismaView

typeorm

Decorator-based ORM, used heavily in NestJS ecosystem. Battle-tested but development pace has slowed. Drizzle and Prisma are the newer defaults for greenfield projects.…

The open-source stack,curated by builders.

Matches for "saas"

Unlock the whole directory.

We'll add it in 60 minutes.

The open-source stack,
curated by builders.