Small python-gtk application, to merge or split PDFs
Open source PDF editor
HTML5 client solution for generating PDFs
Free and Open Source Invoicing, Expenses & Time-Tracking
Kimai is a web-based multi-user time-tracking application
borb is a library for reading, creating and manipulating PDF files
Fullstack open source Invoicing application made with MongoDB
Free Java Reporting Library
Free project scheduling and management tool
The multi-award winning SuiteCRM is the world's best open source CRM.
JaxoDraw: Feynman Diagrams made easy!
Easy-to-use print report library and designer
Simple Online Planning
Scientific/engineering firmware repurposing HP business calculators!
Open Hospital - Hospital Information System
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PHP library for Vertopal file conversion API
This is a small PDF editor based on OpenPdf core and AndroidPdfViewer
A scientific plotting library for C/Fortran built on cairo
Interactive scientific graphing and data analysis software.
web-based time tracker
A super simple way to create & send invoices, receive payments online