Normal Map Generator is a browser-based tool that converts 2D images, such as height maps or photos, into normal maps that simulate 3D surface detail. It offers real-time 3D preview, material presets, and exports in PNG, JPEG, or OpenEXR formats. All processing occurs locally in the browser.
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Open data portal operated by Scottish local authority.
Nosh is a product of Nosh Technologies, a deep tech company that builds algorithms, programs and mobile applications to optimize food management and reduce household food waste. Its flagship product is an AI-powered smartphone app that tracks expiry and use-by dates, offers an integrated shopping list, suggests recipes from available stock, and includes a shop feature for buying discounted food from local sellers.
Notepad is an offline-capable, minimalist progressive web app notepad that autosaves notes locally. It includes features such as dark mode, a writing timer, focus mode, full-screen mode and compatibility with Android and iOS mobile devices, and does not collect user data.
Online Notepad is a web-based text editor for writing and saving notes without login or signup. It offers new, save, open, undo, redo, cut, copy, paste, print and a character counter. Notes are stored in the local browser and can be saved in MS Word and Text format.
Notris Foes is an online gaming site for Notris-brand games, including multiplayer, single-player and nostalgic titles. Players can earn tokens and unlock enhancements and items, customize an avatar, and compete on local and global leaderboards. The site states that it is owned by the Notris developers.
ObjToSchematic is a tool that converts 3D models into Minecraft Java and Bedrock formats such as .litematic, .schem and .mcstructure. A mod version supports in-game importing, positioning, rotating and scaling of builds, and browser conversion runs locally without an account.
Obsidian Canvas provides an infinite space for researching, brainstorming, diagramming and laying out ideas. Canvas files are stored locally in the open JSON Canvas file format, and the API supports plugins that add capabilities. Notes, images, PDFs, video, audio and web pages can be embedded, and canvases can be nested. Canvas comes free with Obsidian.
OC Weekly is a newspaper published since September 1995 serving Orange County and Long Beach, covering local news, politics, arts, culture and entertainment. Its about page lists a weekly circulation of 45,000 and print and online readership figures.
Odysseus is a self-hosted AI workspace for running language models on one's own hardware. It offers chat, autonomous agents, tools and MCP connections, model serving, an email assistant, deep research, model comparison and persistent memory. The project is described as local-first and privacy-first, with no telemetry.
The Office for National Statistics is described as the UK's largest independent producer of official statistics and the recognised national statistical institute of the UK. The site presents main figures on employment, inflation, GDP and UK population, offers a local statistics explorer, and lists latest releases alongside a shopping comparison tool.
Online Notepad provides browser-based note and productivity tools, including a notepad, Cornell notes, sticky notes, a word counter, and a kanban board. The tools require no sign-up or download and save data locally.
Online Notepad is a free browser-based plain text editor for creating and editing multiple plain-text files without registration or login. It autosaves drafts every second using browser local storage, restoring documents after a tab is closed or the browser crashes, and supports saving files to a computer. Features include undo, find and replace, spellcheck, word count and print.
OnlineTextCompare is a free, browser-based two-way text diff and merge tool. It requires no signup or installation, and all comparisons run locally in the user's web browser for privacy and security. The tool highlights differences between two text inputs using red and green arrows, supporting use cases such as reviewing edits and merging content changes. It also offers additional comparison tools for formats including HTML, CSS, JavaScript, JSON, XML, SQL, Excel, PDF, and lists.
OnlineTextTools is a free, browser-based suite of text processing utilities. It offers hundreds of tools for generating, converting, replacing, filtering, encoding, and decoding text, with on-the-spot result previews. The service is part of the Online Tools family created by Browserling, and processes all user data locally in the browser for security.
OpaLingo is a free online Macedonian language course with interactive lessons, audio pronunciation, vocabulary games and Cyrillic alphabet training. It offers a structured learning path from alphabet to conversation, with progress saved locally. Optional Premium adds extra games, learning analytics and cosmetics.
A free online tool that opens a list of URLs or links in separate browser tabs or windows with one click, with an optional delay between each. Lists are stored locally in the browser and are not uploaded.
Open Data Manchester is a not-for-profit organisation that supports people, organisations and communities in using data effectively through advice, advocacy, events, research, support and training. Its mission is to promote responsible data practices that deliver benefits for people, the planet and prosperity, working locally in Greater Manchester, nationally and internationally.
Open Data Nepal is a public platform that provides free access to datasets from Nepal. Users can explore datasets by category, use AI to search and interpret data, access data via API, and save datasets locally. The platform hosts 630 datasets across 24 categories from 48 publishers, includes 12 data stories and visual summaries, and serves researchers, journalists, developers and policymakers.
Open Data Scotland is a crowdsourced open data portal that aggregates open datasets from across Scotland. It includes datasets from local authorities spanning categories such as arts and culture, finance, business and economy, council and government, education, elections, food and environment, health and social care, housing, law and licensing, parks, planning, public safety, sport, tourism, and transport. All original portal content is licensed under CC-BY-SA 4.0.
Open WebUI is a self-hosted AI interface for running AI on the user's own hardware. It connects to local or cloud models including Ollama, OpenAI, Anthropic, or compatible services, and can be extended with Python. The project offers community-shared prompts, models, tools, and functions, and lists deployment options including on-premises or air-gapped setups. Installation can be done with a pip command.
Open Android Backup is a shell script and Flutter app for locally backing up and restoring Android devices. It runs on Windows, macOS and Linux, uses 7-Zip archives, and encrypts and compresses backups by default. SMS messages and call logs cannot currently be restored, and app data is not saved due to Android restrictions.
OpenCode is an open source AI coding agent available as a terminal-based interface, desktop app, or IDE extension. It supports multiple LLM providers and local models, and does not store code or context data. Enterprise options include centralized configuration, SSO integration, and an internal AI gateway.
OpenDataKerala is a community-driven open data initiative serving Kerala State in India. It manages projects including local self-government election data, open geographic portals, and open mapping initiatives, and organizes events such as Wikiconference Kerala, State of the Map Kerala, and Open Data Days.