✓
Tool
Category
Pricing
Free?
Updated
Obsidian ✓
AI Productivity
Freemium
✓
Mar 2026
→
Local-first knowledge base with AI plugins for second brain building
Best for: note-taking
Logseq
AI Productivity
Free
✓
Mar 2026
→
Open-source local-first knowledge management with AI and bidirectional links
Best for: note-taking
Cassidy AI
AI Agents
Freemium
✓
Mar 2026
→
Team AI workspace with knowledge-trained agents integrated into business tools
Best for: team-AI
GitNexus
AI Coding
Freemium
✓
Mar 2026
→
Code knowledge graph platform for semantic search and technical debt detection.
Best for: code-search
Metabase ✓
AI Data Analysis
Freemium
✓
Mar 2026
→
Open-source BI tool for self-service data exploration and dashboard building.
Best for: data-analysis
Amazon CodeWhisperer
AI Coding
Freemium
✓
Mar 2026
→
Amazon's AI coding assistant with deep AWS integration, security scanning, and agent mode.
Best for: coding
Firecrawl
AI Agents
Freemium
✓
Mar 2026
→
Web scraping service that converts websites to clean markdown for AI and RAG pipelines
Best for: web-scraping
Microsoft Copilot Studio
AI Agents
Freemium
✓
Mar 2026
→
Low-code platform for building custom Microsoft Copilot AI agents for business
Best for: Microsoft
Dimensions AI
AI Research
Freemium
✓
Mar 2026
→
Linked research database connecting publications, grants, patents, and clinical trials.
Best for: research