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TESIGN / RADAR

ALL-TIME TOP 20 · EDUCATION

Ranked within EDUCATION by total stars, recent maintenance and cross-source evidence. Up to 20 tools; a public item counts within the public category its editor confirmed, everything else within the category the AI classifier assigned.

22 ranking-eligible repositories in this category · median ★ 144 · median 7-day gain +2 (1 observed) Numbers by category →

AI chooses the lists under the owner’s delegation. No human review is running in September 2026. Total stars, increases, cross-source signals, last updates and licences are shown as evidence. How ranks work →

  1. 01

    novuCARD

    The open-source communication infrastructure for agents and products

    GitHubLicence unconfirmedUnconfirmed — check before use.Last push

    ★ 40k
  2. 02

    ankiCARD

    Anki is a smart spaced repetition flashcard program

    GitHubLicence unconfirmedUnconfirmed — check before use.Last push

    ★ 30.5k
  3. 03

    typewordsCARD

    Practice English, one strike, one step forward; 练习英语，一次敲击，一点进步；

    GitHubGPL-3.0Use freely. Release your source if you redistribute (copyleft).Last push

    ★ 10k▲ +2 / 7dDaily star increases over 14 days. Hollow bars mean no data. The last day may be partial.2026-10-19 no data2026-10-20 no data2026-10-21 no data2026-10-22 no data2026-10-23 no data2026-10-24 no data2026-10-25 no data2026-10-26 no data2026-10-27 no data2026-10-28 no data2026-10-29 no data2026-10-30 no data2026-10-31 no data2026-11-01 +2largest one-day increase in the 14 days+2last 14 days · stars per dayhollow = no data
  4. 04

    sureCARD

    The personal finance app for everyone (by everyone)

    GitHubAGPL-3.0Release source if you redistribute or host it as a service.Last push

    ★ 9.9k
  5. 05

    MindwtrCARD

    Get tasks and ideas out of your head. A free GTD to-do app for desktop and mobile. Works offline, no account needed

    GitHub · Show HNAGPL-3.0Release source if you redistribute or host it as a service.Last push

    ★ 2k▲ 1 HN
  6. 06
    Breakscale's Retry Storm example: a top bar reading 100 requests per second offered, goodput 0/s, errors 100% and 118/s dropped, a canvas with Client → API Server → Database boxes showing the database 99.9% busy, and a handwritten-style explanation below

    Breakscale

    Browser system-design simulator: build a topology, load it until it breaks, see why

    GitHubMITUse, change and redistribute, commercially too. Keep the notice.Last push

    ★ 2k

← ALL-TIME 250