Photonlexicon is a discussion forum focused on lasers, their uses, and applications with an emphasis on laser light shows and technical information. It includes subforums for resources, events, user support, and general discussion.
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PictureThis is a plant identifier app and website that identifies flowers, leaves, trees and herbs from a photo. It provides information on disease prevention, treatment, toxicity, care, uses and symbolism, along with a plant encyclopedia and plant care guide covering houseplants, garden plants, flowers, fruits and vegetables.
Pomatez is a multi-platform desktop application supporting the Pomodoro Technique. It offers customizable Pomodoro rules, a built-in task list, full-screen breaks, desktop notifications, special breaks, keyboard shortcuts, automatic updates, and dark theme. Mobile versions are listed as coming soon.
PrankHotline is an automatic prank calling application. It allows users to send anonymous pre-recorded prank calls to contacts, record live reactions, use a two-phone mutual call prank feature, and access premium features via a token system earned through social media engagement. All prank calls require user consent for recording.
PreMiD displays web activity in Discord in real time, with support for a large number of services across major browsers. Activities are open source and maintained by the community, and custom settings can personalize how activity appears per service. A free tier is offered, and a Premium plan is priced at 2,49 €/month or 24,99 €/year.
ProcrastiTracker is an open source time tracking tool for Windows that automatically tracks applications and documents used and provides detailed usage statistics. It is written to be small and non-intrusive, and is described as useful for increasing productivity and tracking and billing time across projects or clients.
Project Alveus Sanctuary is a 501(c)(3) nonprofit organization operating as a wildlife sanctuary and virtual education center. It provides permanent homes for non-releasable animal ambassadors, streams their journeys 24/7 on Twitch, and produces educational content to foster public appreciation for the animals and their wild counterparts. Its affiliated Alveus Research & Recovery Institute runs conservation breeding programs to support at-risk species.
ProtectedText is a free web notepad that stores notes online without login or registration. Notes are encrypted and accessed through any URL, and users can reach them from any web browser. Passwords are not sent to the server, and only encrypted text is stored. An Android app is also available.
Radioguide.FM is a website for listening to free online radio stations from around the world. Stations can be browsed by genre or country, and listeners can click a station to play it. Mobile listening is offered through a mobile website or an iPhone app. Station owners can add their station to create a station page.
Rambox is a desktop workspace that organizes work apps, accounts and workflows in one place. It offers customizable workspaces, session management, multi-login for multiple accounts of the same app, a tile view and more than 700 ready-to-use apps, plus custom web apps. A focus mode pauses notifications. Plans are Basic, Pro and Teams; new accounts start with a 30-day Pro trial.
RAWGraphs is a free and open source tool for data visualization. It is a web app that offers almost 30 visual models to visualize quantities, hierarchies and time series. Data inserted is processed only by the web browser, and projects can be saved or exported as vector or raster images.
RDX for Reddit is a mobile web viewer for Reddit described as inspired by the closed Apollo app. It offers a mobile-friendly reader with multiple dark and light themes and browsing without ads, along with settings and the ability to subscribe to subreddits. Apps for iPhone and Android are offered for download.
Readest is a free, open-source ebook reader for EPUB and PDF, available across macOS, Windows, Linux, Android, iOS, and Web. It supports highlights, notes, split-screen reading, text-to-speech, and cloud sync. The documentation also lists EPUB, PDF, MOBI, AZW3, FB2, CBZ, and TXT formats, with on-device, browser, or cloud TTS and translation and lookup tools.
A web hosting provider offering free web hosting along with shared, semi-dedicated and VPS hosting, domain registration, SSL certificates and site-building tools such as the Zacky Website Builder and app installer. Support is offered around the clock, with automatic data backups and a multi-domain shared hosting setup.
Retrosizer is a visual comparison tool for handheld gaming devices. It shows devices at true relative scale, allowing them to be dragged, rotated and arranged, and simulates how retro game systems such as Game Boy, GBA, SNES and Genesis appear on different screens. Comparisons can be shared via URL, and devices can be filtered by screen size, manufacturer and performance.
Scribd is a document library offering access to over 300 million human-sourced documents and specialty resources across categories such as business, science, law and study aids. Users can explore and find answers on the go through the Scribd app on web, Android and iOS. The site also allows uploading documents for free to reach a global audience.
Selenium is an umbrella project of tools and libraries for automating web browsers. It provides extensions to emulate user interaction and infrastructure for W3C WebDriver implementations, letting developers write interchangeable code for major browsers. It is primarily used for automating web applications for testing.
SerpBear is an open source search engine position tracking app. It tracks a website's keyword positions in Google and sends email notifications about position changes. It uses third-party scrapers or proxy IPs to scrape Google search results, with Basic, Custom and Smart scrape strategies. A built-in API supports reporting tools, and Google Ads and Search Console integrations are available.
Sherlock is a web3 security platform that combines private audits, audit contests, AI-assisted analysis and bug bounties. It describes an audit engine that coordinates AI security approaches into one validated result, and collaborative audits staffed by security researchers. The site states it has conducted over 1,000 audits and reports more than 11,000 security researchers.
Single Mother Guide is a state-by-state reference guide to government benefits for single mothers in the United States. It explains federal and state benefits including SNAP, TANF cash assistance, Medicaid, WIC, child care assistance, housing help and college grants, with income limits and how to apply in all 50 states.
SkyVector is a free online flight planner founded in 2006. It offers aeronautical charts including Sectional Charts, Approach Plates, IFR Enroute Charts and Helicopter route charts, with weather data and fuel prices. Users can add their own fuel prices by sending CSV price lists to a personal email address after signing in.
SlidesAI is a web-based tool that turns text, notes, documents, PDFs and prompts into presentations. It works within Google Slides, PowerPoint, ChatGPT and a browser-based web app. The Basic plan costs $0/month and includes 12 presentations per year. The Pro plan costs $10.00/month billed at $120/year and adds document upload.
SocialCompare is a free collaborative comparison engine for creating comparison tables with the user's own criteria. Comparison tables can be embedded on a blog or website, and the community can update tables, vote, share and write user reviews across areas such as software, mobile apps, products, services, websites and startups.
Free Game Findings is a resource page linking to its official channels, including a Reddit community, iOS and Android applications, social media accounts and a Discord server. It also lists referral links for GreenManGaming and Humble Bundle.