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RawTherapee is a free, cross-platform raw image processing program released as Free Software under GPLv3. It is designed for developing raw files from a broad range of digital cameras and offers a non-destructive, 32-bit floating point processing engine with modern demosaicing algorithms. It is available for Linux, macOS, and Windows and in over 15 languages.
Recoll is a desktop document search application for Unix, Linux, Microsoft Windows and MacOS, built on the Xapian search engine library. It finds documents based on their contents as well as their file names and can search most document formats. The software is free on Linux, open source, and licensed under the GPL.
Dark-web style recon search page for finding indexed data and investigation leads.
Search engine for resources relavent to Academics.
RefSeek is an academic search engine intended for students and researchers. It retrieves relevant academic results from web pages, books, encyclopedias, and journals, supports searching for PDF and Microsoft Office documents, and includes calculation and unit conversion features.
REMnux is a Linux toolkit for reverse-engineering and analyzing malicious software. It provides a curated collection of free community-created tools for hands-on malware investigation, distributed as a virtual machine, a from-scratch install on a dedicated host or compatible Ubuntu system, and Docker images of popular analysis tools.
Ren'Py is a visual novel engine for telling interactive stories with words, images and sounds on computers and mobile devices. It covers visual novels and life simulation games, using an easy to learn script language and Python scripting. It is open source and free for commercial use, with supported platforms including Windows, Mac, Linux, Android and iOS.
Rensselaer Polytechnic Institute is a university whose site lists programs in architecture, business, engineering, humanities, IT and web science, and science. It highlights undergraduate research participation and an IBM Quantum System One on campus.
The Repositori Institucional of the Universitat Rovira i Virgili is an institutional repository maintained by the university's Learning and Research Resource Centre (CRAI). Its page provides search access and covers information about the repository, its collections, adding documents, statistics and a personal data protection policy, with documents also fenceable through the CRAI Cercador URV.
The University of Essex Research Data Repository is for publishing, discovering and disseminating research data created by University researchers. It supports browsing research outputs by author or department, searching the repository, viewing latest additions and top authors and downloads, and depositing new datasets.
JCU Research Portfolio presents James Cook University's research in the tropics, covering researchers, publications, projects, facilities and partnership opportunities. It also lists research institutes and centres, student research degree information and research facilities.
The Research Data Leeds Repository is the University of Leeds' institutional research data repository. It allows users to search for and browse research data outputs, view recently added items, and access information about research data management and repository policies. The repository supports OAI 2.0 and is powered by the EPrints platform.
FDAT is the University of Tübingen's institutional repository for research data. It lets users discover published research datasets, submit and publish their own datasets, and contact the FDAT support team for help.
Research Data Unipd is a research data archive. The service aims to support data discovery, data sharing and reuse as required by funding institutions. Anyone can access the data, but depositing datasets is reserved to institutional users, who log in with Single Sign-On credentials. It supports OAI 2.0 and offers browsing by year, subject, department and author.
Researchdata.se is a national web portal that allows users to find, share, and reuse research data from a wide range of research fields. It also provides guidance and recommendations for research data management. The portal is supported by several leading research infrastructures and works to advance open access to publicly funded research data.
ResearchWorks Archive is the University of Washington's digital institutional repository for disseminating scholarly work. It hosts collections including dissertations and theses, faculty and researcher data and papers, student research papers, and content from University of Washington Bothell, University of Washington Tacoma, and University of Washington Press. The university partners with the Dryad generalist data repository for dataset deposits.
ResizePixel is a free online image editor that runs in the browser without installing software. It offers tools to crop, resize, flip, rotate, convert, compress, mirror, pixelate images, and convert images to black and white. The site was launched in 2018 by software engineers in Lviv, Ukraine, and files are automatically deleted from servers within one hour.
A restored visual gallery of archived Geocities sites, sorted by neighborhood, presented as a restorativland project. It includes neighborhood listings such as Area51, an early version of the archive with plans for restoring missing files and building a search engine. A content note states that some sites may contain objectionable content.
RetroDECK is a retro gaming platform for Linux, available from Flathub as a Flatpak. Powered by the RetroDECK Framework and ES-DE frontend, it bundles emulators, engines, ports, clients and utilities pre-configured for use.
Rice University is a comprehensive research university in Houston, Texas. It aims to develop Houston's next generation of leaders and advance research addressing global challenges including climate change, water pollution, social disparities, and disease. The university operates interdisciplinary research institutes and centers focused on fields such as nanoscale science, computing, quantum studies, and collaborative work across biology, chemistry, and engineering.
rifteyy is an independent malware analyst from the Czech Republic. The site collects in-depth malware and ransomware analysis reports, reverse engineering breakdowns, and security research. The analyst describes himself as a computer science student, tech support and teacher at a primary school, and a Malware Removal Expert on various forums. Malware removal help is handled through public forums, not through socials or email.
rip.so is a memorial site listing messengers, social networks, browsers, gadgets and websites the internet forgot, organized into categories such as messengers and chat, social networks, software and apps, streaming and video, and search engines and browsers. The page is marked as under construction.
RIUMA is the University of Malaga's institutional repository. It aims to increase the visibility of the university's scientific and academic output by providing open access to its content and supporting its preservation. The collection includes articles, scientific papers, teaching materials, digitized old archives and other documents in various digital formats.
Rizin is a free and Open Source Reverse Engineering Framework. It uses a shell-like command-line environment for analyzing binaries, with automatic signature detection to match unnamed functions against FLIRT signatures. Projects for saving and loading Rizin sessions are in beta, and Cutter is Rizin's official graphical user interface. A package manager for downloading, compiling and installing plugins is still in early development.
