Life & fun · November 30, 2014
Memfinity.org – Social, spaced-repetition web service
Memfinity.org – Social, spaced-repetition web service launched on November 30, 2014 with 23 votes and more than 75% of that year's launches. The site was not reachable when checked in September 2026.
In plain words
Memfinity.org is a web-based spaced-repetition service designed to help users memorize and retain information over time. The platform uses proven learning techniques to space out review sessions, making it suitable for students, language learners, and anyone needing to commit facts to memory. The service combines social features with its core memorization tools, allowing users to learn collaboratively while building their long-term recall skills.
written from the facts on this page · September 2026
Does a similar job
all alternatives →- MCMemStash - Commit things to memory2012 · memstash.co · ▲170
- MAmemEx, a personal knowledge base inspired by zettlekasten and org-mode2025 · gitea.bubbletea.dev · ▲194

- IMI made a minimalist spaced repetition tool2020 · memordo.com · ▲140

Mem0 – open-source Memory Layer for AI apps2024 · github.com · ▲201Hey HN! We're Taranjeet and Deshraj, the founders of Mem0 (https://mem0.ai). Mem0 adds a stateful memory layer to AI applications, allowing them to remember user interactions, preferences, and context over time. This enables AI apps to deliver increasingly personalized and intelligent experiences that evolve with every interaction. There’s a demo video at https://youtu.be/VtRuBCTZL1o and a playground to try out at https://app.mem0.ai/playground. You'll need to sign up to use the playground – this helps ensure responses are more tailored to you by…
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