Cognee
70Turns documents and past sessions into a graph-plus-vector memory that AI agents can query across runs.
GermanyAdded 1mo ago
Freemiumfrom $2.5/creditAPI
60trust score out of 100
ai-for / knowledge-graph
AI Tools for Knowledge Graph
9 tracked tools do knowledge graph, spread across 6 categories — Research & Knowledge, Coding & Development and Knowledge Management & Wikis among them.
Paid entry prices run from $2.50 to $550 a month, and all of them have a free tier. Cognee, Figmap and Curiosity lead the list on click-through. 3 of them ship a public API.
A weekly email when new tools land here.
- 9
- tools tracked
- 9 of 9
- free to start
- $2.50–$550
- paid entry, per month
- 3
- ship a public API
The shortlist — tools for knowledge graph
ranked by click-through
Figmap
77Turns a topic or question into an interactive mind map with a linked graph of related concepts.
Added 1mo ago
Freemiumfrom $3.9/mo
57trust score out of 100
Knowledge graph from Munich that links scattered enterprise data so engineers and models can query it with sources attached.
GermanyAdded 1mo ago
Freemiumfrom $550/mo
65trust score out of 100
Devplan
79Reads a team's code, tickets, chat and meetings and answers what changed, what is at risk and why
United StatesAdded 1mo ago
Freemiumfrom $50/moAPI
62trust score out of 100
Grasppy
59Workspace that captures AI coding sessions across 17 platforms and turns them into searchable project history.
United StatesAdded 1mo ago
Freemiumfrom $25/mo
54trust score out of 100
Knogra
59A browser-based knowledge graph for building and navigating mind maps, concept maps, and semantic networks.
Added 1mo ago
Free
48trust score out of 100
Matilda
77CRM, projects, docs, tables, boards and chat in one workspace linked by a shared knowledge graph
Added 1mo ago
Freemiumfrom $29/seat/mo
57trust score out of 100
1
Potpie
81Open-source context layer that turns a codebase and its tickets into a graph so coding agents can plan, answer and debug.
United StatesAdded today
FreemiumAPI
60trust score out of 100
Rowboat
82Open-source desktop AI coworker that builds a local knowledge graph from your email and meetings and runs background agents.
United StatesAdded today
Free
65trust score out of 100
Questions about knowledge graph tools
Is there a free knowledge graph tool?
Yes. 2 of the 9 tools on this page are free to use — Knogra and Rowboat; 7 more have a free tier with paid upgrades.
How much do knowledge graph tools cost?
Published entry prices on this page run from $2.50 to $550 a month. Each card shows the pricing model and the lowest paid plan as we last verified it; all of them can be started for free.
Which knowledge graph tools have an API?
3 of the 9 ship a public API, including Cognee, Devplan and Potpie. The API badge on each card is re-checked against the vendor's documentation.