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Filarr — Encrypted Workspace
Notion + Obsidian + Cryptomator in one encrypted app
Filarr is a local-first workspace for notes, files, and a knowledge graph that links both. Everything is AES-256-GCM encrypted on your disk by default, with per-file keys. Optional zero-knowledge cloud sync — the server stores only opaque ciphertext. Just shipped E2EE file sharing where the share key lives in the URL fragment, never reaching our servers. Notion + Obsidian + Cryptomator in one app. Free local use, no account needed. Solo €4/mo, Pro €8/mo. Desktop client open source under BSL 1.1.
Hi PH! Mathis here, solo dev in France. I shipped Filarr's file sharing this weekend, which felt like the right moment to launch here.
Filarr is what I wanted to use when I got frustrated juggling Notion (sees my notes), Obsidian (great editor but doesn't store files, no native encryption), and Cryptomator (vault only, no editor). I built it solo over 18 months.
The product:
- All your notes, files, drawings live encrypted on your disk by default
- AES-256-GCM with per-file keys (KEK/FEK architecture)
- Multi-profile isolation — each profile has its own master key
- Knowledge graph spans notes AND files (most graph apps are notes-only)
- Optional zero-knowledge cloud sync — €4/mo Solo, €8/mo Pro, never required
- Free for local use, no account needed
What just shipped: E2EE file sharing. The decryption key lives in the URL fragment, which browsers never send to servers per RFC 3986. So Filarr's server literally can't decrypt shared files. Two modes: from the desktop app with your account, or anonymously at filarr.com/send (no signup, like WeTransfer but actually E2EE).
Honest about what it doesn't do:
- No mobile app yet / desktop only (Windows + Linux today, macOS pending because I don't own a Mac yet)
- No real-time multi-user collab / E2EE + CRDT is still a research problem
- Cloud backend is a managed service, not self-hostable
License: BSL 1.1, auto-converts to Apache 2.0 on April 19, 2030. Source on GitHub (github.com/matbel91765/filarr)
Try without installing: filarr.com/send. Full product: filarr.com/download.
Happy to answer questions or anything else !
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About Filarr — Encrypted Workspace on Product Hunt
“Notion + Obsidian + Cryptomator in one encrypted app”
Filarr — Encrypted Workspace was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #101 on the daily leaderboard. Filarr is a local-first workspace for notes, files, and a knowledge graph that links both. Everything is AES-256-GCM encrypted on your disk by default, with per-file keys. Optional zero-knowledge cloud sync — the server stores only opaque ciphertext. Just shipped E2EE file sharing where the share key lives in the URL fragment, never reaching our servers. Notion + Obsidian + Cryptomator in one app. Free local use, no account needed. Solo €4/mo, Pro €8/mo. Desktop client open source under BSL 1.1.
Filarr — Encrypted Workspace was featured in Productivity (653.5k followers), Notes (8.3k followers), Privacy (11.1k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 171.7k products, making this a competitive space to launch in.
Who hunted Filarr — Encrypted Workspace?
Filarr — Encrypted Workspace was hunted by Mathis Belouar-Pruvot. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Mathis Belouar-Pruvot