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Search ANNO, Austria's online archive of historical newspapers and magazines, or browse its publications by title.

Sonic is an Internet Computer AMM and DeFi hub offering a collection of decentralized finance protocols.

Explore Validium testnet transactions, blocks, and contracts with this blockchain explorer for the Validium network.

Webhacking.kr hosts a Korean cybersecurity challenge focused on exploiting or defending web application vulnerabilities.

Flow-fi offers quiet virtual study rooms with lo-fi music for focused work.

Oasys Mainnet Explorer supports transaction searches, contract verification, and address analysis.

GitHub Emoji Picker displays the emoji supported by GitHub in a simple selection interface.

Logseq offers an open-source knowledge base, according to the supplied title.

Browse Memórica's open-access digital archive of historical materials related to Mexico.

Play multiplayer geography quizzes with friends in Geotastic, a crowdfunded GeoGuessr alternative.

Track faces, bodies and fingers in 3D to animate characters with Kalidoface 3D.

Play VoxJong, a Mahjong Solitaire game built with CSS and playable directly in a web browser.

editGPT uses ChatGPT to proofread and edit text and track changes, according to its product page.

Arts & Letters Daily links readers to articles, book reviews and essays on philosophy, literature, history, art and music.

View current air traffic on the Flightradar24 live flight tracking map.

Wallpapers Clan offers phone wallpapers, app icons, folder icons, and profile pictures.

ComputerUser publishes technology news and articles, including coverage of privacy and AI developments.

Shimbun Akahata shares selected articles from the daily newspaper published by the Japanese Communist Party.

TurboWarp is a Scratch modification with a compiler designed to run projects faster.

Numbat performs high-precision scientific calculations and supports physical units.

China Pharmaceutical University provides university information and links to students, alumni, departments, library, and campus services.

TemplateLab offers downloadable business and legal templates, including contracts, agreements, letters, and other category-based forms.

UsDoku lets players compete in live multiplayer Sudoku games against friends.

Walrus synchronizes social video viewing, letting people watch videos together through a shared online platform.