Mark Janzer
@mjanzer.bsky.social
Indie hacker. Obsessed with spaced repetition, Elo ratings, and music theory. Software engineer who likes shipping things and writing about it. markjanzer.com
Things I've built: 🧠 llm-sr (llm-sr.com) —Spaced repetition managed by your LLM of choice ♟️ Chess Ascent (chessascent.com) —Spaced repetition for chess puzzles 🎮 LOL Pro Elo (lolproelo.com) —Elo rankings for pro League of Legends teams 🎹 LIK (likybd.com) —An isomorphic keyboard I built and play
I kept forgetting things I learned, so I built something about it. LLM-SR lets you ask your LLM to create flashcards from whatever you're learning together. It uses spaced repetition so you review at exactly the right time—less work for better memory. It's free, check it out: www.llm-sr.com
LLM-SR - Flashcards Managed by Your LLM
Create and review flashcards with AI assistance. LLM-SR uses the FSRS algorithm for optimal spaced repetition scheduling.
llm-sr.com
Your habits aren't failing because you lack discipline. They're failing because you're a bad game designer. New post: markjanzer.com/2026/03/06/y...
You’re A Terrible Game Designer
I have been struggling to get myself to play the piano recently. With some experience and a degree in music education, you think it would be easier. The piece that I want to play is a ridiculous rendi...
markjanzer.com
Wrote a blog post about how your body manufactures fake existential crises. It's called 'Don't change your life over a burrito.' markjanzer.com/2026/02/19/d...
Don’t change your life over a burrito
I was in the shower one morning and I thought, “I’ve got to negotiate a 30 hour workweek with my job”, and I felt a familiar knot of dissatisfaction. It was not a new thought, nor a new feeling. I had...
markjanzer.com