Gromit Mpx
Gromit Mpx is a free, open-source PDF tool for Linux. Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as XWayland. It has 1,399 GitHub stars and is released under the GPL-2.0 license.
- Linux
- PDF editors & tools
- Actively maintained
About Gromit Mpx
Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland. Its main use is for making presentations of some application. Normally, you would have to move the mouse pointer around the point of interest until hopefully everybody noticed it. With Gromit-MPX, you can draw everywhere onto the screen, highlighting some button or area.
Install Gromit Mpx
Package names found in the project's README. Each links to its package page so you can check the publisher first.
flatpak install flathub net.christianbeier.Gromit-MPXSimilar apps
More open-source PDF editors and tools
Stirling-PDF
Stirling-Tools/Stirling-PDF
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere.
OfficialPDF editors & toolsWindowsmacOSLinuxTesseract OCR
tesseract-ocr/tesseract
Tesseract Open Source OCR Engine (main repository).
OfficialPDF editors & toolsWindowsmacOSLinuxOCRmyPDF
ocrmypdf/OCRmyPDF
OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched.
OfficialPDF editors & toolsWindowsmacOSLinuxKoreader
koreader/koreader
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices.
PDF editors & toolsmacOSLinuxSumatraPDF
sumatrapdfreader/sumatrapdf
SumatraPDF is a multi-format (PDF, EPUB, MOBI, CBZ, CBR, FB2, CHM, XPS, DjVu) reader for Windows under (A)GPLv3 license, with some code under BSD license (see AUTHORS).
OfficialPDF editors & toolsWindowsXournal++
xournalpp/xournalpp
Xournal++ is a handwriting notetaking software with PDF annotation support.
OfficialPDF editors & toolsWindowsmacOSLinux
What is Gromit Mpx?
Gromit Mpx is a free, open-source PDF tool for Linux. Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as XWayland. It has 1,399 GitHub stars and is released under the GPL-2.0 license.
Is Gromit Mpx free and open source?
Yes. Gromit Mpx's source code is public on GitHub under the GPL-2.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Gromit Mpx?
Flathub: flatpak install flathub net.christianbeier.Gromit-MPX. The commands are on this page. Installers are also on its GitHub Releases page (latest: 1.9.0).
Is Gromit Mpx still maintained?
The repository's most recent commit was on Sep 1, 2026. appsgit only lists apps whose repository had a commit in the last six months.