✓
Tool
Category
Pricing
Free?
Updated
Semantic Kernel
AI Agents
Free
✓
Mar 2026
→
Microsoft SDK for building AI agents with plugins and memory
Best for: semantic-kernel
Semantic Scholar ✓
AI Research
Free
✓
Mar 2026
→
Free AI academic search with 200M+ papers, TLDR summaries, and citation graphs.
Best for: research
Cohere
AI Writing
Freemium
✓
Mar 2026
→
Enterprise AI platform with language models for generation, search, and classification.
Best for: ai-models
Exa AI
AI Agents
Freemium
✓
Mar 2026
→
Semantic search engine and API for AI agents using embedding-based retrieval
Best for: semantic-search
Looker ✓
AI Data Analysis
Enterprise
—
Mar 2026
→
Google Cloud BI with LookML semantic layer and Gemini AI-powered analytics.
Best for: data-analysis
GitNexus
AI Coding
Freemium
✓
Mar 2026
→
Code knowledge graph platform for semantic search and technical debt detection.
Best for: code-search
Obsidian ✓
AI Productivity
Freemium
✓
Mar 2026
→
Local-first knowledge base with AI plugins for second brain building
Best for: note-taking