One bookmark dump of free open-source tools that beat the paid versions — built for pros and newbies
One bookmark dump of free open-source tools that beat the paid versions — built for pros and newbies
Free tools that quietly do the jobs paid apps charge monthly for. No accounts, most run in a browser or one click — works whether you code daily or have never opened a terminal.
Every drawer below is tap-to-open. 
💡 Where this quietly saves your ass
- Free trial wants a real address + card? Spin up a throwaway identity, paste, done.
- Paywalled paper at 2am? Drop the link in, read it clean.
- Boss dumps a 200-page scanned PDF on you? Rip it to searchable text in seconds.
- Curious what your email is secretly signed up to? One run lists every site.
- Course video about to get pulled? One command, saved forever.
🔎 Ask every search engine at once — and skip the robot check
OpenSERP — real Google/Yandex/Baidu/Bing/DuckDuckGo results as JSON (plain data code reads). No search-engine API key, scrapes the live page. Built-in HTTP + SOCKS5 proxies (middlemen that hide where you connect from) walk past CAPTCHAs (the “not a robot” check). Filter by language, region, date. Runs as an API or from the command line (CLI). Feeds fresh context to AI agents.
SearXNG — one box → 200+ engines, zero logs, JSON API. Instances: searx.space · Whoogle (Google, no tracking) · YaCy (peer-to-peer, own index) · Mojeek (independent crawler) · christophebe/serp (Node scraper).
Indie indexes: Marginalia (the small, hand-made web the big engines bury) · Wiby (old-school pages).
📚 The libraries that 'don't exist' anymore
Bookracy — the pirate library that went viral in 2024, got killed in 2025, and is back online now. Books, comics, manga, printed content — no donations, no paywalls, no limits, fast downloads, huge Russian-language catalog, and titles public libraries don’t carry. Build a reading list, save for later.
Anna’s Archive — biggest shadow library, bulk torrents + metadata · Open Library (3M+ borrowable) · Project Gutenberg (70k+ public-domain) · Internet Archive (books/audio/film + Wayback) · Inventaire (community lending). LibGen/WeLib mirrors move → live list on FMHY.
🪪 A throwaway 'you,' ready in 3 seconds
Full fake identity — any country, complete profile: city, region, street, house + apartment number, full name, gender, date of birth, phone, ZIP/postal, throwaway email, employment, tax details, ID numbers, metadata, a security question, even blood type. For software testing, dev, and demo forms without your real info.
Fake Name Generator (37 languages, valid-format cards) · FauxID · fakeidentitygenerator (JSON/CSV export) · RandomUser.me (API for seeding UIs). Coders: Faker · Faker.js · Mimesis — generate it in-script, seedable/repeatable.
📄 Suck the text out of any file — even scans
MinerU — PDF/Word/PPT/Excel → clean plain text, fast (a 200-page PDF came back in ~90 seconds). Reads scans too (OCR = the computer “reading” a picture of text) and plugs straight into AI tools.
Docling (IBM, best tables, CPU-only) · Marker (best math/figures) · Nougat (Meta, formulas → LaTeX) · MarkItDown (Microsoft, fastest on clean files) · PDF-Extract-Kit · PyMuPDF (no-ML, quick). Point-and-click: Stirling-PDF — 50 PDF tools, files stay on your box.
🧱 That 'subscribe to read' box is optional
Ladder — reads paid articles, news, and books. Works like a search engine: a proxy (stand-in fetcher) grabs the page dressed as Google’s crawler, strips the banners + payment prompts, hands you the clean read. Paste link, done.
13ft (Python cousin) · archive.today (saved copies of locked/deleted pages) · stubborn site → FlareSolverr clears Cloudflare’s “checking your browser” wall. Bypass Paywalls Clean (extension) → live mirror on FMHY (repo keeps getting taken down).
🦉 What your antivirus politely ignores
NtWarden — hunts malware at the kernel (the OS’s deepest floor, where sneaky stuff hides). Scans processes, services, network, and kernel internals, exposing hidden trojans/miners a normal AV walks past. Live CPU/RAM/network graphs that float on top of every window, full control over services + connections + hidden processes, remote-watch another PC — and a deep cleanup that finds and removes hidden junk slowing the machine. Kernel bits = test machine only.
System Informer — ex–Process Hacker, signed, safe daily, shows what’s really eating CPU · Windows Kernel Explorer (XP→11) · ntkrnlProtectScan (scan every kernel mitigation) · Sysinternals (Process Explorer/Monitor, Autoruns).
👻 A browser with no face — and no fingerprints
Obscura — headless browser (no window, driven by code), built for automation + scraping. Stealth Mode hides bot “fingerprints” (the tells sites use to flag automation). ~30MB RAM vs Chrome’s 200+, ~70MB on disk, ~85ms page loads vs ~500ms, ready in 2s.
camoufox (Firefox, native anti-detect) · nodriver (undetected-chromedriver’s successor) · BrowserOxide (from-scratch Rust, beat 118/126 bot-walls). The drivers Obscura drops in for: Playwright · Puppeteer.
🎓 Sit in Harvard's classroom for $0
Open Culture — 1,700 free courses from Harvard, Oxford, Yale, MIT and more, across design, business, math, science and beyond.
MIT OpenCourseWare (full recorded classes) · Open Yale · freeCodeCamp (build while you learn) · textbooks: LibreTexts · DOAB (peer-reviewed) · audiobooks: LibriVox.
🕶️ Use Reddit & YouTube without them watching back
LibRedirect — one extension auto-swaps sites for private, ad-free twins. YouTube → Invidious / Piped (or apps FreeTube / NewPipe) · Reddit → Redlib · TikTok → ProxiTok · Twitter/X → Nitter (flaky in 2026).
Plus Rimgo (Imgur), Quetre (Quora), Scribe (Medium), Wikiless (Wikipedia), BreezeWiki (Fandom), AnonymousOverflow (Stack Overflow), Neuters (Reuters) + metasearch frontends 4get/LibreX/Araa — full map in LibRedirect and awesome-privacy-front-ends.
🧰 490 data tricks in one tab (built by actual spies)
CyberChef — GCHQ’s (UK spy agency) tool: decode/encrypt/convert/hash, 490+ ops, all in-browser, nothing sent out. REST version: CyberChef-server.
IT-Tools — 100+ dev gadgets (hashes, JWT decode, cron, converters, generators) in one page.
📤 Hand off any file — no account, no trace
croc — send any file/folder machine-to-machine, one code phrase, end-to-end encrypted (only the two ends can read it) · magic-wormhole (the original code-phrase transfer) · OnionShare (anonymous, over Tor) · Send (self-hosted Firefox Send, expiring links) · 0x0.st (curl-friendly ephemeral host).
🔦 Everything the internet already knows about a name
Sherlock (username → 400+ sites) · Maigret (3000+ sites) · holehe (which sites an email is signed up on, silent) · theHarvester (emails/subdomains) · SpiderFoot (200-module auto-sweep) · GHunt (Google) · blackbird · PhoneInfoga (phone) · Photon (crawler).
Web tools: crt.sh (hidden sub-sites via certs) · DNSdumpster · Shodan · Censys.
💾 Rip the video, the gallery, the whole site
yt-dlp (video/audio off 1000+ sites) · gallery-dl (bulk images) · cobalt (clean, no ads) · ArchiveBox (keep any page) · SingleFile (page → one HTML file) · monolith (same, CLI) · Kiwix (Wikipedia + whole sites offline).
🔤 Turn any screenshot into text — fully offline
Umi-OCR — screenshot → text, batch, PDF, QR, watermark exclusion, multi-language, nothing leaves your PC · PaddleOCR (100+ langs, PDFs/images → Markdown/JSON) · RapidOCR (runs on old/AVX-less CPUs).
🎁 Little sites that punch way above their size
Every Noise (map of ~6k music genres) · Music-Map (“artists near this artist”) · Forvo (native pronunciation of any word/name) · Explore.org (150+ live nature cams) · Have I Been Pwned (is your email in a breach) · Ninite (install dozens of Windows apps in one click) · fffuel (free SVG pattern/gradient makers) · Namechk (username free across 90+ sites) · AccountKiller (delete-account instructions per service) · mail.tm (disposable inbox with a free API).
🗺️ The bookmarks that replace a hundred others
FMHY — master index; any dead link’s live twin is in here · awesome-selfhosted (self-hosted software directory) · sindresorhus/awesome (index of every “awesome-X” list) · AlternativeTo (replace any paid app) · Privacy Guides · opensource.builders (free clones of paid SaaS) · awesome-osint.
I hope all of this will be useful to you and bring positive results.
Paywalls, trials, subscriptions — just fences. Every fence has a gate someone already left open.
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