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SemaBuzz
Live-typing encrypted chat for Windows — no accounts
Free, open-source Windows chat where you watch every keystroke appear live — end-to-end encrypted, no accounts, nothing stored. Share a 6-char code to connect. Both sides get fresh ECDH P-256 keys each session. Messages are AES-256-GCM locked before leaving your machine. Includes file transfer, shared whiteboard, Walk Web (push URLs), themes, and profiles. Requires the SemaBuzz-Relay — single binary, ~10 MB, MIT licensed.
Hey PH! I grew up on PowWow, ICQ, and MSN Messenger — there was something magical about that era of direct, personal chat that modern apps have completely lost. I built SemaBuzz to bring that feeling back.
You'll find a lot of the classics: URL Walk, a shared whiteboard, file transfer, and rich status changes with custom status messages — things PowWow and ICQ fans will recognize instantly.
Then we added our own spin: every session generates fresh encryption keys via token-based E2E chat, with a private relay that literally cannot read your messages. And the live-typing preview — that flowing filament line showing characters as they're typed — is our love letter to what made those old programs feel so alive.
Fully open-source (AGPL-3.0). Would love to hear from anyone else who misses that era. 👾
About SemaBuzz on Product Hunt
“Live-typing encrypted chat for Windows — no accounts”
SemaBuzz was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #135 on the daily leaderboard. Free, open-source Windows chat where you watch every keystroke appear live — end-to-end encrypted, no accounts, nothing stored. Share a 6-char code to connect. Both sides get fresh ECDH P-256 keys each session. Messages are AES-256-GCM locked before leaving your machine. Includes file transfer, shared whiteboard, Walk Web (push URLs), themes, and profiles. Requires the SemaBuzz-Relay — single binary, ~10 MB, MIT licensed.
On the analytics side, SemaBuzz competes within Productivity, Privacy and Developer Tools — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how SemaBuzz performed against the three products that launched closest to it on the same day.
Who hunted SemaBuzz?
SemaBuzz was hunted by Skynr Labs. 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.
For a complete overview of SemaBuzz including community comment highlights and product details, visit the product overview.
Skynr Labs
Hey PH! I grew up on PowWow, ICQ, and MSN Messenger — there was something magical about that era of direct, personal chat that modern apps have completely lost. I built SemaBuzz to bring that feeling back.
You'll find a lot of the classics: URL Walk, a shared whiteboard, file transfer, and rich status changes with custom status messages — things PowWow and ICQ fans will recognize instantly.
Then we added our own spin: every session generates fresh encryption keys via token-based E2E chat, with a private relay that literally cannot read your messages. And the live-typing preview — that flowing filament line showing characters as they're typed — is our love letter to what made those old programs feel so alive.
Fully open-source (AGPL-3.0). Would love to hear from anyone else who misses that era. 👾