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recorder and streamer for live video content
OBS Studio is designed for efficiently recording and streaming live video content. It supports live RTP streaming to various streaming sites. . Other features include: * Encoding using H264 (x264) and AAC * Unlimited number of scenes and sources * File output to MP4 or FLV * GPU-based game capture for high performance game streaming * Bilinear or lanczos3 resampling . Note that OBS Studio requires an OpenGL 3.2 compatible video card.
add an OCR text layer to PDF files
OCRmyPDF generates a searchable PDF/A file from a regular PDF containing only images, allowing it to be searched. . It uses the Tesseract OCR engine and so supports all the languages that Tesseract does. . Some other main features: . * Places OCR text accurately below the image to ease copy / paste * Keeps the exact resolution of the original embedded images * When possible, inserts OCR information as a lossless operation without rendering vector information * Keeps file size about the same * If requested deskews and/or cleans the image before performing OCR * Validates input and output files * Provides debug mode to enable easy verification of the OCR results * Processes pages in parallel when more than one CPU core is available * Battle-tested on thousands of PDFs, a test suite and continuous integration.
Orienteering map drawing application
OpenOrienteering Mapper is an application to draw maps for forest, sprint, MTB and radio orienteering races. It comes with predefined symbol sets implementing the IOF standards ISOM (1:15000, 1:10000) and ISSOM (1:5000, 1:4000). It is easy to implement additional symbol sets. . It provides a Free alternative to existing proprietary map drawing applications and supports multiple platforms. It is available for Android, Windows, Mac OS X and Linux. . While it is under continuous development and considered in beta state, it has been used to produce maps for orienteering races. All required functions for drawing maps are implemented and the program works very stable. So it can be considered ready for productive use, although it is like always a good idea to keep backups of your files.
Run programs on Linux with selectively restricted permissions
Subuser turns a docker container into a normal program, but this program is not fully privileged, it can only access the directory from which it was called.
Graphical tool to make photo collage posters
PhotoCollage allows you to create photo collage posters. It assembles the input photographs it is given to generate a big poster. Photos are automatically arranged to fill the whole poster, then you can change the final layout, dimensions, border or swap photos in the generated grid. Eventually the final poster image can be saved in any size.
Find RFI in radio astronomical observations
The AOFlagger is a tool that can find and remove radio-frequency interference (RFI) in radio astronomical observations. The code has been highly optimized for speed and accuracy. It is used by default for the LOFAR radio telescope and thus is in productional stage. The software can run in a fully automated way, but a graphical interface is provided to analyse results and tweak the strategy. The preferred input file format is the Casa Measurement Set (MS) format. . Besides the flagger, the software consists of tools to efficiently visualize data in different ways, such as plotting time-frequency diagrams and power spectra. It provides the programs aoflagger, rfigui, aoqplot, aoquality and more.