Interview Cake
AlgoExpert.io
interviewing.io
CodingInterview
Daily Coding Problem
Codechef
CodeForces
LogicMojo
ChainMemory
OpenMemory MCP
Agentmemory
Memori
Tempreon
Pinecone
Memo.ai
Geniuz
ChainMemory gives your AI agents persistent memory that belongs to YOU โ 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 โ 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.
Interview Cake
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Here's another site that helped me when I was starting out: interviewcake.com (I think I had a free trial or something). Source: over 4 years ago
Interviewcake.com has some great explanations and practice problems for leetcode style problems. I got the year subscription on sale. Source: almost 5 years ago
I also used to do the exact same thing during a technical interview. Seems like an obvious answer, but I've always noticed the more prior practice I have, the less nervous I get. I think a good part of the mental fatigue comes from nerves. And those nerves were amplified when I encountered a problem for which I didn't immediately have a general grasp of the solution. But as soon as I got more consistent with my... Source: almost 5 years ago
AlgoExpert.io - A better way to prep for tech interviews
OpenMemory MCP - Your private, local memory layer for all AI tools
interviewing.io - Free, anonymous technical interview practice
Agentmemory - Persistent memory for Claude Code, Codex & coding agents
CodingInterview - CodingInterview offers essential information to help you conquer programming interviews.
Memori - Persistent memory from agent trace, not just conversation