lengto 0.7 preview — Linux and macOS portable

Native portable builds for Linux and macOS, with the same calibration, measurement, export and Python macro workflow.

• Linux x86_64 — 16 MB: download the AppImage, allow execution and open it. Without FUSE, run it with --appimage-extract-and-run. The tar.xz alternative contains the same app; extract and run lengto/AppRun.
• macOS 11+, Intel and Apple Silicon — 0.82 MB: extract the universal ZIP and open lengto.app. No Homebrew or additional image libraries are required. The app is ad-hoc signed and not notarized; the first launch may require System Settings → Privacy & Security → Open Anyway.

Python 3.8+ is optional and needed only to run macros.

These are preview builds for hands-on testing. All 12 integration tests passed on Linux, Mac Intel and Mac Apple Silicon. Checks cover source pixels, calibration, Python recording/replay, Unicode paths, TIFF/PNG/JPEG/PDF exports, PDF orientation and page navigation. The final AppImage also passed all 12 tests after download.

Verified build · Installation guide · Windows stable download

The native source archive and SHA-256 checksums are attached below. Extract lengto-native-source.tar.gz to build the native preview from source; the automatically generated source archives contain the build branch and its source snapshot.

lengto 0.6 — Windows portable

Download lengto.exe below and run it. Windows 10/11 x64 · 3.46 MB · No installation.

Measure calibrated images and PDFs, paste screenshots, export annotated drawings and record Python macros. Python 3.8+ is needed only to run macros.

Quick guide · MIT license

SHA-256 checksum

d2f41b95631493a63720ba92342e1dfb91d4636856e6b457bd91af691d44f413