Download Latest Version openchronology-desktop-windows-amd64-setup.exe (9.4 MB)
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Name Modified Size InfoDownloads / Week
Parent folder
rocky-rpm-build-info.json 2026-10-26 123 Bytes
windows-amd64-build-info.json 2026-10-26 123 Bytes
openchronology-server-rocky10-amd64.rpm 2026-10-26 82.6 MB
openchronology-server-ubuntu24.04-amd64.deb 2026-10-26 78.4 MB
openchronology-server-windows-amd64-setup.exe 2026-10-26 79.7 MB
openchronology-web-source.tar.gz 2026-10-26 2.1 MB
openchronology-server-platform.tar.gz 2026-10-26 61.5 MB
openchronology-server-fedora44-amd64.rpm 2026-10-26 82.5 MB
openchronology-server-freebsd14-amd64.pkg 2026-10-26 42.2 MB
openchronology-server-freebsd15-amd64.pkg 2026-10-26 42.2 MB
openchronology-native-source-windows-amd64.tar.gz 2026-10-26 5.4 MB
openchronology-offline-cfam.html 2026-10-26 575.2 kB
openchronology-offline.html 2026-10-26 575.2 kB
openchronology-server-debian13-amd64.deb 2026-10-26 78.4 MB
openchronology-desktop-windows-amd64-setup.exe 2026-10-26 7.2 MB
openchronology-native-source-macos-amd64.tar.gz 2026-10-26 5.4 MB
openchronology-native-source-macos-arm64.tar.gz 2026-10-26 5.4 MB
openchronology-desktop-source.tar.gz 2026-10-26 92.6 MB
linux-deb-build-info.json 2026-10-26 123 Bytes
macos-amd64-build-info.json 2026-10-26 123 Bytes
macos-arm64-build-info.json 2026-10-26 123 Bytes
openchronology-desktop-linux-amd64.AppImage 2026-10-26 86.8 MB
openchronology-desktop-linux-amd64.deb 2026-10-26 8.4 MB
openchronology-desktop-macos-amd64.dmg 2026-10-26 9.1 MB
openchronology-desktop-macos-arm64.dmg 2026-10-26 8.9 MB
openchronology-desktop-rocky10-amd64.rpm 2026-10-26 8.4 MB
build-info.json 2026-10-26 123 Bytes
LICENSE.txt 2026-10-26 35.1 kB
linux-appimage-build-info.json 2026-10-26 123 Bytes
NOTICE.txt 2026-10-26 1.4 kB
SHA256SUMS.txt 2026-10-26 3.0 kB
README.md 2026-10-26 2.6 kB
v0.10.0 source code.tar.gz 2026-10-26 2.6 MB
v0.10.0 source code.zip 2026-10-26 3.3 MB
Totals: 34 Items   794.4 MB 0

Changes since v0.9.4.

Early release. In SemVer terms, anything may change before 1.0, including file formats, the HTTP API and settings, though changes to .ochx and .och files will come with conversions.

New

These plugins make an Events and Causal Factors chart draw as the convention does. They're all plugins: the timeline file format is unchanged, and timelines without them look as before.

  • Ellipses (#324, [#328]): Moment shapes version 3 adds an ellipse shape, the oval ECF charts use for conditions. Timelines pinned to Moment shapes 1 or 2 keep drawing what they did, and a stored ellipse shows as a circle there. A plugin manifest can now list the shapes added after the first twelve that it draws (shapes).
  • Presumptive outline (#325, [#330]): a new official plugin with a "Presumptive (unconfirmed)" checkbox on moments, stack entries and durations. Checked items are drawn with a dashed outline, of any shape and on light or dark themes, and the reader flags them. Plugin authors get a toggle field kind, an outline marker kind and api.outline("dashed" | "solid").
  • Relationship arrows (#326, [#329]): a new official plugin that puts arrowheads on relationship arcs. Each moment or duration lists its relationships with an arrow (none, to, from or both), and an arc shows the union of what both ends ask for. An entry whose relationship has been deleted draws nothing and is outlined in red in the editor, so it can be removed. Direction is a drawing convention: relationships stay undirected and unlabeled, and Separate doesn't follow arrows.
  • Causal factor analysis suite 2 (#332): the suite, and the CFAM edition's new timelines, now include Moment shapes 3, Presumptive outline and Relationship arrows. Version 1 is still served and recognized.
  • Videos 12 and 13, Shorts 9 and 10 (#307, [#318], [#327] and a follow-up): timelines from AI and automation through API keys, and investigations with causal factor analysis, in publicity/.

Downloads

The assets below are built from this tag by the release workflow. SHA256SUMS.txt lists their checksums. They're the same set as v0.9.4: desktop apps for Windows, macOS and Linux; server packages for Debian, Ubuntu, Fedora, Rocky Linux, FreeBSD, macOS (Homebrew) and Windows; the offline HTML files; and the source archives.

To upgrade a server, install the new package and run openchronology-migrate. See administration.

OpenChronology is free software under the GNU GPL version 3. It comes with no warranty.

Source: README.md, updated 2026-10-26