Popular: Data updated October 27, 2026

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SP2P: all versions and old releases

Secure peer-to-peer data transfer. End-to-end encrypted. Send files, folders, and streams seamlessly - even between CLI and browser.

Zyno Consulting Encryption #28 Encryption

4 versions of SP2P are listed here, from March 5, 2026 to the current 0.6.1. Each one links to the publisher’s own installer files.

2026: 4 4 26
VersionDateSizeFiles
0.6.1Latest September 27, 2026 — 64-bit ZIPARM64 ZIP
Release notes
Fixed
- Browser receivers no longer intermittently fail to connect to a CLI sender. If the CLI's WebRTC offer arrived before the browser had finished deriving session keys, the browser dropped it, and both sides failed after 15 seconds with "Could not establish P2P connection". This was more likely on slower machines and in Firefox and Safari. Early negotiation messages are now held until the browser is ready.
Changed
- The example coturn configuration raises user-quota from 8 to 32, because a relayed 8-connection transfer needs about 16 allocations.
- Package publishing must be run from the release tag, and it validates each asset's checksum before publishing.
Added
- CI now tests every browser/CLI pairing against the previous release, runs transfers over a simulated 150 ms network with loss, and covers Firefox and WebKit. See testing.
Full changelog: https://github.com/zyno-io/sp2p/blob/v0.6.1/CHANGELOG.md
0.3.0 August 24, 2026 — 64-bit ZIPARM64 ZIP
Release notes
Full Changelog: v0.2.0...v0.3.0
0.2.0 March 10, 2026 — 64-bit ZIPARM64 ZIP
Release notes
Full Changelog: v0.1.0...v0.2.0
0.1.1 March 5, 2026 — 64-bit ZIPARM64 ZIP

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