ChainMemory
Mem0
Memori
Agentmemory
Tempreon
cognee
TheSecondBrain.dev
Suprflo
Userdoc
Linear
Cubyts
Everia.io
Zeda.io
GitBook
Fibery
Surfsite AI
ChainMemory gives your AI agents persistent memory that belongs to YOU — not to a single vendor.
Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored with Merkle proofs, so anyone can independently verify integrity — no trust required.
Memories consolidate into a structured Project Brain (decisions, milestones, risks) instead of a pile of raw notes. Multi-agent native: Claude, Cursor and GPT share one consolidated state. Free tier available.
Scope your projects in minutes not days, with Userdoc’s sophisticated AI. Maintain your requirements and turn them into long-term living documentation.
Product owners, business analysts, project managers, CEOs, and developers all love Userdoc...
✨ AI Scoping Copilot Userdocs AI can scope features in seconds with detailed knowledge of your software system, trust us - it's like magic.
📚 Streamlined requirements creation Userdocs AI project wizard guides you through scoping your project. Helping define the user types, and features, goals and journeys. It’s like having a BA in your pocket.
📝 The detail your team needs Extremely detailed user stories and acceptance criteria are created for you, an amazing first draft that may be perfect - but you can always easily refine it.
👩 Focus on your end users Make sure everyone understands who the actual users are via personas. Detailed backgrounds, motivations, and frustrations - do it yourself or leverage Userdoc AI.
🗺️ Demonstrate the pathways Explain detailed workflows through your system using user journeys. Show the touchpoints with user stories, and which personas are involved and when.
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Based on our record, Userdoc seems to be more popular. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Tools like Userdoc (https://userdoc.fyi) help in a few ways, you can easily create requirements (stories, personas, journeys, test cases), but also reverse engineer existing source code into detailed docs, then ask natural language questions etc. AI helps us plan our product in Userdoc, and our devs connect via MCP to bring those requirements directly in to Cursor (full disclaimer, I work at Userdoc - but we eat... - Source: Hacker News / about 1 year ago
Userdoc has versioning of stories and acceptance criteria, aimed to at helping this exact issue https://userdoc.fyi (transparency: I’m the founder). - Source: Hacker News / over 1 year ago
I'm interested to hear how other people are using tools to help them, we've been playing with userdoc.fyi and having good success, but there are just so many AI related tools I feel like I can't keep up! Source: about 3 years ago
Great read, I spent years thinking requirements should live somewhere like Jira, and I feel for many teams this is the case. But as the author mentions, Jira contains tasks related to bugs, text changes, colour changes etc.. These are not product requirements per se. Like the author, I came to the conclusion requirements are best kept in a requirements management system, that integrates with your project... - Source: Hacker News / over 3 years ago
I built Userdoc (https://userdoc.fyi) a requirements management system for software projects. After running a development consultancy for 8 years, I wanted a dedicated system for gathering and confirming requirements, and only syncing them with project management tools like Jira when they are ready (but keeping them in Userdoc as the living documentation and source of truth. Things are going well, we have some... - Source: Hacker News / over 3 years ago
Mem0 - Your private, local memory layer for all AI tools
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Agentmemory - Persistent memory for Claude Code, Codex & coding agents
Everia.io - Everia is an all-in-one platform for test case management, sprint tracking, and documentation.