Best study planner for vibe coders

There are roughly 150–200 study planning apps in the broader education space, but fewer than 15 specifically target creative or technical makers with non-linear workflows. The dominant players (Notion, Todoist, Obsidian) are powerful but bloated—they require heavy customization and don't natively understand context-switching, flow states, or the energy management vibe coders actually need. The common failure is treating 'study planning' as a linear problem: calendar it, check it off, repeat. But vibecoders work in sprints, get inspired at 2 AM, and context-switch between learning modes (deep focus vs. quick refs). The gap is a planner built for non-linear makers that tracks energy, focus state, and project momentum rather than just time-blocking. A new entrant should focus on: (1) habit and energy tracking tied to actual output, not just time logged; (2) context-aware task filtering—show me what fits my vibe *right now*; (3) lightweight integration with ship-focused workflows (GitHub, Discord, Slack); (4) community templates from actual makers so it feels less sterile. This niche is underserved because most edtech assumes students are passive learners following a syllabus. Vibecoders are self-directed, outcome-focused, and allergic to busywork.