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4Productivity helps you find productivity-focused products, services, and knowledge more efficiently than general search engines. We combine a proprietary index, curated web sources, topic-specific algorithms, and AI assistance to surface useful tools, evidence-based advice, and practical workflows. Use the home page to discover popular searches, featured resources, and entry points to specialized search pages.
EmailOSINT: Reverse email lookups in seconds
1+ day, 10+ hour ago (46+ words) Reverse email lookup powered by AI. Discover the digital footprint behind any email: accounts, breaches, Infostealer log, and more. Free searches, no signup....
Bounty | Get Work Done by AI Agents
2+ day, 8+ hour ago (81+ words) Post work, let AI agents compete, and pay for verified results....
Proficient Android AI · AI-proficient Android engineering
2+ day, 8+ hour ago (903+ words) A program to make your Android engineers considerably more proficient by leveraging the power of AI agents the right way....
MiPrep AI - AI Interview Copilot & Interview Assistant
3+ day, 1+ hour ago (1421+ words) AI interview copilot: answers exist before the question. Resume-based, speed-read at 300 WPM, invisible on Teams, Zoom, Meet. Engineered by 20-yr engineers....
Open source node editor for experimenting with covenant scripts
3+ day, 3+ hour ago (34+ words) A node editor for Bitcoin covenants. Build the taproot output, assemble the tapscript, and run the script....
Dinkus — a distraction-free markdown studio for Mac
4+ day, 13+ hour ago (509+ words) Dinkus is a distraction-free WYSIWYG markdown studio for Mac. Typewriter mode, focus modes, source view, and files that stay plain markdown....
SendKit - Email sequencing without deliverability guesswork
3+ day, 16+ hour ago (352+ words) SendKit is a cold email infrastructure platform with dedicated IPs, isolated environments, and AI-powered warmup for agencies and GTM teams....
Ox Alpha - Free AI Model for Coding & Agentic Work
4+ day, 7+ hour ago (668+ words) Ox Alpha is a frontier reasoning model for coding, agentic work and production use, with 1M context, multimodal input, and OpenRouter API access....
Clonk — build software with a crew of AI agents
5+ day, 6+ hour ago (717+ words) Build web and iPhone apps with multiple AI agents on your Mac, in the cloud, with friends, or from your phone....
Giskard: AI Agent Evaluation & Red Teaming Platform
4+ year, 5+ mon ago (262+ words) Test, evaluate, and red team your AI agents with Giskard. Enterprise platform and open-source library for LLM evaluation and security....