Alternatives. What could replace Heptabase?
Obsidian4.0/5 · ExcellentFree, then from $5/moObsidian is a free, local-first Markdown note-taking app with bidirectional linking, a plugin ecosystem, and optional paid sync and publish services.
Notion3.6/5 · Very goodFree, then from €11.50/moAll-in-one workspace for notes, docs, wikis and databases, with a generous free plan and per-seat paid tiers.
Logseq3.8/5 · Very goodFreeLogseq is a free, open-source local-first knowledge graph app with an outliner and optional cloud sync.
Roam Research3.2/5 · GoodFrom €11.81/moRoam Research is a networked note-taking app built on bidirectional links, daily notes and block references.