Alternatives

Products that do what Spacing Effect, Taking things to Long term memory does

1. 1HU
   Hibou – Use spaced repetition to remember what you read▲69

   2015 · gethibou.com

2. 2MS
   Make spaced-repetition flashcards▲118

   2021 · zorbi.cards

3. 3SR
   Spaced-repetition flashcards linked to your learning materials▲76

   2020 · idorecall.com

4. 4
   Spacify▲84

   Learn anything by utilising spaced repetition

   2019

5. 5MP
   Mani – Place virtual sticky notes in real-world spaces▲86

   2021 · mani.ai

6. 6MM
   Mmm – manual memory management for Go▲72

   2015 · github.com

7. 7AI
   An infinite scrolling feed cache to keep things nice when users return▲42

   2016 · m.signalvnoise.com

8. 8PG
   ProximityHash – Geohashes in Proximity▲36

   2017 · github.com

9. 93M
   33% Memory Reduction by Reordering Struct Fields▲19

   2020 · qvault.io

10. 10MW
    Memory with cat gifs▲11

    2015 · static1.volkskrant.nl

11. 11DF
    Disk.frame, a larger-than-RAM data manipulation package▲6

    2019 · diskframe.com

12. 12RS
    Remember – Stash Distractions for Later▲14

    2020 · github.com

13. 13RA
    Revring, a circular buffer with zero memory waste▲12

    2015 · analog10.com

14. 14SL
    SOTA long memory eval with open source models▲5

    Mar 2026 · ensue.dev

15. 15HA
    Hermes-agentmemory, pull-model episodic memory with real deletes▲6

    May 2026 · github.com

16. 16ES
    Ego-Splitting: From Non-Overlapping to Overlapping Clusters▲5

    2020 · github.com

17. 17HB
    Heap-Based Quicksort, Visualized▲7

    2014 · quicksort-heap.herokuapp.com

18. 18DS
    Dismember – Scan memory for secrets and interesting information▲5

    2022 · github.com

19. 19SA
    Shodh– AI memory that learns from use, no LLM calls, single Rust binary▲6

    Feb 2026 · github.com

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