GeoGebra is an interactive mathematics platform for teaching and learning. It provides free digital tools including calculators, graphing, geometry, 3D exploration, and collaborative whiteboard features. The platform offers ready-made educational resources for grades 4 to 12, tools for users to create custom materials, and classroom functionality for teachers to track student progress and provide feedback. It integrates with various learning management systems and is used by teachers and students at school and university levels.
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GEON is a guide to Earth observation data and mapping tools. It points to resources including satellite imagery, terrain data, atmospheric datasets, and tools such as NASA Worldview, Google Earth, and the Shuttle Radar Topography Mission (SRTM) dataset. It hosts an Earth Data Explorer that serves as a central hub for global Earth science data resources used in science, education, and environmental planning.
GitNex is a free and open-source native Android app for managing Forgejo and Gitea repositories. It offers multiple accounts across instances, a file browser, repository settings, and unified notifications, with no ads or trackers.
Google AI Pro for Students is a Google program providing free AI training and tools for students. It offers access to Gemini and Gemini Notebook to support exam preparation, writing improvement, and career development. The program includes resources to help students integrate AI into their study workflows.
This site is a download hub for modified Google Camera ports, also known as Pixel Camera, by modders including BSG, Arnova8G2, BigKaka and Shamim. It mirrors files and lists recent updates by developer; it is not the official app. Google Camera has features such as HDR+, portrait mode, motion photos, panorama, lens blur, 60fps video and slow motion.
GrapheneOS is a non-profit open-source mobile operating system with Android app compatibility, focused on privacy and security technology. It avoids bundling Google apps or services and offers a sandboxed Google Play compatibility layer.
Graysky is a third-party Bluesky client offering features such as inline post translations, animated GIFs, and viewing others' likes. It includes a feed-first design for browsing and managing custom feeds.
GSMHosting is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
HealthyMinds is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
Highlights is a PDF reader for research on Mac, iPad and iPhone. It can be used free to read and annotate PDFs, and turns annotations into notes that can be exported as Markdown, HTML, TextBundle, WebArchive and PDF files. It also offers citation lookup, text and table recognition, and Smart Copy.
HomeDepot is a jailbreak tool for 32-bit iOS devices on firmware 9.1 through 9.3.4, and for A5(X) devices on 8.0 to 8.4.1. The jailbreak is not persistent, so it must be re-run after each reboot. The application is installed using Sideloadly and typically needs reinstalling every 7 days.
How To Install Altstore Windows is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
Hydra is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
HypeList is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
iCustom is a free webapp for customizing iOS app icons on iPhone and iPad without jailbreaking. It generates custom homescreen shortcuts to launch apps, websites and more, using webclips, URL schemes and configuration profiles. It works only for apps that provide a URL scheme, and shortcuts lack force touch and notifications.
iDescriptor is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
iDownload is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
iloader is a free, open-source, cross-platform iOS sideloading companion for installing SideStore and other IPA apps. It is available for Windows, Mac and Linux, and can place RPPairing and Lockdown Pairing files into apps such as StikDebug or Protokolle.
iMPlayer is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
Inferno is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
Instafel is a mobile app resource for Android or iOS listings, app pages, updates, or community links.
Amethyst is a semi-untethered jailbreak for all devices on iOS 12.0 to 13.7, requiring an app or website to re-apply the exploit after a reboot. It is installed using PlumeImpactor. On A11 or newer devices or iOS 13.0 or later, the app must be re-signed every 7 days.
A guide to installing Chimera, a semi-untethered jailbreak that requires an app or website to re-apply the exploit after a reboot. It covers downloads, installing the application with PlumeImpactor, trusting the application and running Chimera. Chimera jailbreaks all devices on iOS 12.0 to 12.1.2 and A7 to A11 devices on iOS 12.0 to 12.5.8.
A guide to installing Dopamine with PlumeImpactor, covering downloads, installing and trusting the application, and running Dopamine. Dopamine is a semi-untethered jailbreak that requires an app to re-apply the exploit after a reboot. It supports all devices on iOS/iPadOS 15.0 to 17.3.1, and A13 and earlier devices on iOS/iPadOS 17.4 to 18.7.1 and 26.0 to 26.0.1.