Find the right open-source or SaaS fit before you build.

PickYourTech is a curated directory of open-source and commercial developer tools across 100+ categories. Discover tools, compare alternatives, and explore technologies trusted by modern engineering teams.

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AI assistants Analytics platforms Bookmark managers Password Managers Product replacements

Popular Open-Source Projects

Open-source favorites with strong adoption and activity.

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n8n

Fair-code workflow automation platform with native AI capabilities

Workflow Automation

Stars: 168,928
License: —
Last commit: 10 hours ago

TypeScriptActive

Langflow

Visual builder for AI agents and workflows with API deployment

AI Application Frameworks & Orchestration

Stars: 143,505
License: MIT
Last commit: 10 hours ago

PythonActive

Dify

Open-source platform for building production-ready LLM applications

AI Application Frameworks & Orchestration

Stars: 125,901
License: —
Last commit: 10 hours ago

PythonActive

LangChain

Build reliable LLM agents with interchangeable components

AI Application Frameworks & Orchestration

Stars: 124,179
License: MIT
Last commit: 19 hours ago

PythonActive

Open WebUI

Self‑hosted AI platform with offline LLM, RAG, and extensible UI

AI Personal Assistant Software

Stars: 120,635
License: —
Last commit: 2 days ago

PythonActive

Excalidraw

Virtual whiteboard for hand-drawn style diagrams and collaboration

Whiteboards & Visual Collaboration

Stars: 114,397
License: MIT
Last commit: 1 day ago

TypeScriptActive

Supabase

Postgres platform delivering Firebase-like features with open-source tools

Backend-as-a-Service (BaaS)

Stars: 96,163
License: Apache-2.0
Last commit: 11 hours ago

TypeScriptActive

Puppeteer

Control Chrome and Firefox programmatically with a high-level JavaScript API

QA & End-to-End Testing

Stars: 93,293
License: Apache-2.0
Last commit: 12 hours ago

TypeScriptActive

Immich

High-performance self-hosted photo and video management solution

File Sync & Share Platforms

Stars: 89,029
License: AGPL-3.0
Last commit: 10 hours ago

TypeScriptActive

Explore Categories

Start with a category to discover projects, products, and alternatives.

Knowledge Base & Wiki Platforms

Wiki and knowledge base software for documentation and internal knowledge sharing.

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AppFlowy
AI-powered workspace alternative to Notion with data control
67,510 stars
AFFiNE
Unified canvas for writing, drawing, and planning together
61,760 stars
Memos
Self-hosted, privacy-first note-taking platform with full Markdown support
54,053 stars

Bookmark Managers & Read-It-Later

Save, tag, and search links; clip pages to read later and organize collections.

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Karakeep
Self-hosted bookmark manager with AI tagging and full-text search
22,733 stars
Linkwarden
Self-hosted collaborative bookmark manager with full webpage preservation
16,770 stars
Omnivore
Read, annotate, and share articles across all your devices
15,773 stars

Low-Code/No-Code Platforms

Platforms for building apps and workflows with minimal coding via UI/visual tools.

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NocoDB
Build powerful online databases with a spreadsheet‑style no‑code UI
61,432 stars
Appsmith
Open-source low-code platform for building internal tools fast
38,885 stars
ToolJet
Rapidly create internal tools with a visual low‑code builder
37,216 stars

Product Analytics & Session Replay

User behavior analytics with funnels, heatmaps and session replay to optimize UX.

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Umami
Fast, privacy‑first web analytics without Google’s data collection
34,718 stars
PostHog
All‑in‑one analytics, feature flags, and experiments platform
30,823 stars
Plausible Analytics
Simple, privacy‑first web analytics without cookies or data collection.
24,079 stars