Open Source Objective C Business Software

Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file. Skim requires OS X 10.10 or higher.

Task Coach - Your friendly task manager. Task Coach is a free open source todo manager. It grew out of frustration about other programs not handling composite tasks well. In addition to flexible composite tasks, Task Coach has grown to include prerequisites, prioritizing, effort tracking, category tags, budgets, notes, and many other features. However, users are not forced to use all these features; Task Coach can be as simple or complex as you need it to be. Task Coach is available for Windows, Mac OS X, and GNU/Linux; and there is a companion iOS app.

KeyCastr requires access to the macOS Accessibility API in order to receive your key events and broadcast the keystrokes you are interested in. On newer versions of macOS (10.15+) there is a new Input Monitoring menu under Security & Privacy within the System Preferences app, and KeyCastr will appear there automatically the first time you run it. Simply unlock this menu and check the box next to KeyCastr to enable it. On older versions of macOS, or if for some reason the app doesn't appear under the Input Monitoring menu (or if you want to pre-enable it) then you may manually add it to the list of apps in the Accessibility menu. If KeyCastr is already in the list, then click the, button and add KeyCastr again to be certain that the right application is chosen. Make sure to check the "Display all keystrokes" checkbox if you would like to display more than just the modifier keys.

The AbiWord word processor is a full-featured cross-platform word processor.

A multiplatform C++ library for dynamic generation of Excel .xls files containing multiple worksheets. Unlike .csv files, these can be directly opened by Excel and thus provide an excellent way to output large data sets that require further analysis. To see the latest changes, select "Files" and view the README text displayed at the bottom of that pane. IMPORTANT: Major changes are contained in the current SVN source. If you have time please try to use it or the xlslib-package-2.4.0b1.zip archive, and enter bug reports on any problems! Changes: - library specific strings now in their own namespace - iOS Objective-C library - most project files updated (MSVS etc) - C bridge now supports formulas Note: there is a related SF project, libxls, to read Excel files.

The ZEG (Zero Effort Groupware) edition of SOGo is intended to provide a complete out-of-the-box testing environment of SOGo, the Open Source messaging and calendaring software.

A native Macintosh front-end and distribution for the GAP computer algebra system. It provides a Mac-like command editing environment and save/load, while making available graphical libraries compatible with xgap.

AAChartKit is an elegant and friendly (user-friendly && enviroment-friendly) chart framework for iOS, based on the open source Highcharts JS libraries. AAChartKit is extremely powerful, easy to configure and a pleasure to use. Currently AAChartKit includes support for the following chart types: column chart, bar chart, area chart, area spline chart, line chart, spline chart, radar chart, polar chart, pie chart, bubble chart, pyramid chart, funnel chart, column range and area range chart. More chart types are planned to be supported. AAChartKit gives you easy and fast access to a wide range of chart types, hassle-free and quick to integrate into your own project. Unlike previous imperative programming techniques, drawing any custom chart in AAChartKit, you don't need to care about the inner implementation details which is annoying && boring.

iTeXMac is an integrated software which components are: - a text editor dedicated to D.E. Knuth's TeX typesetting system - a frontend to a teTeX like distribution, that includes TeX engines and tools - a PDF viewer

PDFView is a simple, yet powerful, Mac Os X PDF viewer, with advanced integration with LaTeX.

AquaTerm is a Mac OS X grahics renderer. It allows command line applications written in ObjC, C, FORTRAN, Lisp, Perl or Python to display vector graphics, text and images using a simple API. Adapters for gnuplot, PGPLOT, and PLplot exists as well.

The library is a fork of the popular open source Jasper Reports and supports the common features provided by Jasper Reports, but offline and for mobile apps. The PDFReporter library supports iOS, Java and Android library. For your document and report design you use the PDFReporter Studio where you can visualize your data. If you want to use the library commercially please visit our official webpage.

An oscilloscope and spectrum analyser, capable of analysing data captured from sound input devices.

EasyChem is designed to draw chemical molecules in an intuitive way, with a very high quality (designed for book-publishing). Exporting is done to various formats (PostScript, Fig, LaTeX, etc.) to help you integrate your drawing in any software you use.

This is a site that I use to keep programs I make and want to share.

Application sharing software that allows individual windows to be replicated to other computers. Remote collaboration tool based on a modified VNC protocol. Its advantage is to keep some things, like email, private, while sharing other desktop apps.

Books is a native Cocoa application for Mac OS X that stores, sorts, and searches book collection information. Books is intended to assist book collectors with managing personal collections.

A Mac OS X framework implemented in Objective-C 2.0 that reads and parses ASCII DXF files. The framework returns an array of custom entity objects that can be used as needed by the program implementing this library.

Kexpcalc is an experience calculator and NPC generator for D&D 3.5. It also includes an item creation calculator (scrolls, potions, wands, and staffs).

FlightTrack is a 2D/3D GPS track viewing software for light aviation pilots using MacOS X.

libPaje is a library developed with GNUstep library and is released under the GNU LGPL. The library intends to provide a way to generate trace files for Paje Visualization Tool. It can be used to create converters from other format to Paje format.

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3d scanner using a laser line webcam and pic micro controller. opensource hardware and software.

6Vertex is an Objective C/Cocoa application (and standard C functions) for computing and visualizing matrix models generated with the 6-vertex model for computing boundary shapes and phase transition shapes for differently weighted vertices.

Originally written to play with CoreData, this eventually grew into an accounting app with the ability to track personal finances, etc.