DEVONthink alternatives · Note-Taking
Open-source alternatives to DEVONthink
DEVONthink is not described as open source on its own site. 50 of the 146 other note-taking apps in this directory are open source, according to their own sites.
DEVONthink is a paid product with a free trial, starting at $99 one-time license, with 2 Mac seats and 1 year of updates. All of them are free or have a free plan.
50 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
The 12 closest to DEVONthink
- Free
QOwnNotes
Open-source Markdown notes app with Nextcloud and ownCloud support
- QOwnNotes is free. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- QOwnNotes has a free plan. DEVONthink does not, though it has a free trial.
- Only QOwnNotes lists Windows, Linux and Android apps.
- Only DEVONthink lists a web app.
- Free plan · from $9.99/mo
Reflect
Open-source daily notes app with backlinks and local Markdown
- Reflect starts at $9.99 per month, or $99 per year, for the iPhone and iPad app. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- Reflect has a free plan. DEVONthink does not, though it has a free trial.
- Only DEVONthink lists a web app.
- Reflect is open source, according to its own site.
- Free
Tolaria
Free, open-source desktop app for Markdown knowledge bases
- Tolaria is free. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- Tolaria has a free plan. DEVONthink does not, though it has a free trial.
- Only Tolaria lists Windows and Linux apps.
- Only DEVONthink lists a web app.
- Free plan · from $14.99 one-time
MiaoYan
Native Mac Markdown notes app with a split editor and preview
- MiaoYan starts at $14.99 one-time purchase (App Store edition). DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- MiaoYan has a free plan. DEVONthink does not, though it has a free trial.
- Only DEVONthink lists a web app.
- Only DEVONthink lists a browser extension.
- Free
NoteGen
Open-source Markdown notes app that organizes captures with AI
- NoteGen is free. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- NoteGen has a free plan. DEVONthink does not, though it has a free trial.
- Only NoteGen lists Windows, Linux and Android apps.
- Only DEVONthink lists a web app.
- Free
MindForger
Open-source Markdown notebook that links related notes for you
- MindForger is free. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- MindForger has a free plan. DEVONthink does not, though it has a free trial.
- Only MindForger lists Linux and Windows apps.
- Only DEVONthink lists a web app.
- Free plan · from $5/mo
Logseq
Open-source outliner for linked notes stored as local files
- Logseq starts at $5 per month for Open Collective backers, which unlocks Logseq Sync. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- Logseq has a free plan. DEVONthink does not, though it has a free trial.
- Only Logseq lists Windows, Linux and Android apps.
- Only DEVONthink lists a browser extension.
- Free plan · from $1.99/mo
Notesnook
Open source, end-to-end encrypted notes on every platform
- Notesnook starts at $1.99 per month, or $19.99 per year (Essential). DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- Notesnook has a free plan. DEVONthink does not, though it has a free trial.
- Only Notesnook lists Windows, Linux and Android apps.
- Notesnook is open source, self-hostable and end-to-end encrypted, according to its own site.
- Free
Memos
Open-source, self-hosted timeline of short Markdown notes
- Memos is free. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- Memos has a free plan. DEVONthink does not, though it has a free trial.
- Only DEVONthink lists macOS and iOS apps.
- Memos is open source and self-hostable, according to its own site.
- Free plan · from $4.99 one-time
FSNotes
Open-source Markdown notes app for Mac and iPhone
- FSNotes starts at $4.99 one-time for iPhone and iPad; $8.99 one-time for Mac. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- FSNotes has a free plan. DEVONthink does not, though it has a free trial.
- Only DEVONthink lists a web app.
- Only DEVONthink lists a browser extension.
- Free
Tangent Notes
Open-source Markdown notes app that maps the path between notes
- Tangent Notes is free. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- Tangent Notes has a free plan. DEVONthink does not, though it has a free trial.
- Only Tangent Notes lists Windows and Linux apps.
- Only DEVONthink lists a web app.
- Free
Beaver Notes
Open-source, local-first Markdown notes app for desktop
- Beaver Notes is free. DEVONthink starts at $99 one-time license, with 2 Mac seats and 1 year of updates.
- Beaver Notes has a free plan. DEVONthink does not, though it has a free trial.
- Only Beaver Notes lists Windows and Linux apps.
- Only DEVONthink lists a web app.
38 more that are open source
- GitJournal
- Notenik
- Bangle.io
- Marknote
- Joplin
- Simplenote
- Standard Notes
- Trilium Notes
- SiYuan
- Cryptee
- FUTO Notes
- Markor
- Quillpad
- VNote
- Zavala
- Blinko
- SilverBullet
- flatnotes
- Jotty
- NoteDiscovery
- Zim
- AFFiNE
- TiddlyWiki
- Lockbook
- Linwood Butterfly
- Orgzly Revived
- Fossify Notes
- NotallyX
- CherryTree
- KeyNote NF
- TreeSheets
- AppFlowy
- Xournal++
- Mimiri Notes
- Saber
- Rnote
- Stylus Labs Write
- DeepNotes
Common questions
Is there an open-source alternative to DEVONthink?
Yes. QOwnNotes, Reflect, Tolaria, MiaoYan, NoteGen, MindForger, Logseq, Notesnook and 42 more are open source, according to their own sites.
Is DEVONthink open source?
DEVONthink is not described as open source on its own site. The listing was checked on Oct 5, 2026 against the pages it cites.
When was this checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to DEVONthink: the alternatives its listing names first, then the tools that share the most features with it.