News
Releases, decisions, and what we are learning about learning. One letter a month while we build.
The map we keep for ourselves
Sapling maps what you know so nothing important falls out of your head between weeks. It turns out the four people building it had exactly the same problem.
Read article →2 MIN
Why we built Sapling
Four students, one library table, and a nagging question: what if AI made you understand more, not less? The origin story, missteps included.
Read article →2 MIN
AI shouldn’t do your homework
Our line in the sand on AI and education: guidance over answers, process over shortcuts, and why "just give me the solution" is the wrong deal.
Read article →2 MINHow the knowledge graph works
Nodes, edges, and mastery scores: how a semester of studying becomes a living map, and why the cross-unit edges matter most.
Read article →2 MINTeachBack is live
The mode that flips the desk. You explain the concept, Sapling names the step you skipped, and mastery counts for more than reading.
Read article →1 MINWhat spacing actually buys you
Why ten minutes, one day, and four days are the intervals we shipped, and what happened when we tested longer gaps on our own courses.
Read article →2 MINSyllabus to semester in one upload
Calendar extraction went from a manual paste to a single drop. Every exam, pset, and quiz dated and synced before week one is over.
Read article →1 MINOne letter a month, written by the four of us. First issue lands with the beta.