Mini-Diarium
An encrypted, local, cross-platform journaling app
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HN · launched Feb 19, 2026 · 131 upvotes (top 8%) · 0 views
Niche: digital journaling apps · 287 launches, 21 in the last 7 days ▼ -19% · Explore this niche →
Category and tags
- Horizontal
- Workflow automation
- B2C
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 287 launches in digital journaling apps →
Could you build this?
Yes Mini-Diarium is a local client-side journaling app with client-side encryption (such as AES-GCM via Web Crypto) and local storage.
Discussion
20 comments analyzed.
Competitors mentioned: KeePass (password manager for journal storage), allmyjournals (encrypted journal app), Plain markdown files with git-remote-gcrypt, jump project (Bash + OpenSSL solution)
Concerns raised: Homebrew cryptosystem and key reuse vulnerabilities, Pain of setting up encrypted containers, Not mobile-friendly, App complexity vs. using better external editors with encrypted containers
Feature requests: Loop the animated GIF demonstration, Show main app experience instead of login screen in preview, Set up encrypted container automatically after installation
Competitors
Other products that read as similar to this one : 1284 launches clear the similarity bar, closest 8 shown.
Attention rank: #117 of 1285 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 109 days after the earliest competitor.
- psstpsst · github · 2026-09-12 · 8 upvotes · similarity 0.65
- Lotion · github · 2026-11-09 · 44 upvotes · similarity 0.57
- Private blogging and journaling with a simulated audience · hn · 2025-12-26 · 48 upvotes · similarity 0.56
- Orwell · github · 2026-11-09 · 114 upvotes · similarity 0.55
- Wisp. A peer-to-peer encrypted messenger with no trusted server · hn · 2026-07-29 · 5 upvotes · similarity 0.54
- Show HN : Dally · hn · 2026-07-15 · 5 upvotes · similarity 0.54
- Inklite · github · 2026-10-10 · 20 upvotes · similarity 0.53
- snapdrop · github · 2026-09-14 · 17 upvotes · similarity 0.53
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.