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Research index for locating articles, books, authors and citation information.
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phylopic.org
PhyloPic is an open database of free silhouette images of animals, plants, and other life forms. The silhouettes are available for reuse under Creative Commons licenses and can be downloaded for educational materials, research articles, and other projects. The site also offers API access and accepts uploaded silhouettes.
pidantuan.com
Pidantuan is a free mutual help academic community that provides access to scientific research content. It offers Sci-Hub unlocker tools, free scientific articles, free research papers, and other scientific research tools with no charged fees. The community shares academic content from publishers including Elsevier, Wiley, Oxford, and JAMA, and operates associated Facebook and Telegram groups for users.
planet.gnu.org
Planet GNU is an aggregation of development blogs from the GNU Project. It publishes updates about GNU software releases, including announcements for projects such as parted, automake, gzip, and pspp.
magazine.sebastianraschka.com
An Ahead of AI article by Sebastian Raschka sharing lessons from hundreds of experiments on finetuning LLMs with low-rank adaptation (LoRA), billed as an essential technique for efficiently training custom open-source LLMs. It covers LoRA consistency, QLoRA compute-memory trade-offs, learning rate schedulers, Adam versus SGD, multiple epochs, enabling LoRA for more layers, and balancing rank and alpha.
practicedrawingthis.com
Practice Drawing This! collects free drawing practice resources. These include variable 3D models intended for drawing practice and the Morning Sketches APP, which is described as helping users start drawing every day. The site also links to past newsletter articles.
duesseldorf.de
Press articles about Heinrich Heine in German and international press.
prophy.ai
Prophy is an AI expert-identification platform for research funding and scientific publishing. It provides referee finding, panel composition, peer reports and institutional reports, drawing on a database of 199 million articles and 103 million researcher profiles. An API allows integration of referee-finding capabilities into other systems.
psp-archive.github.io
A site about PlayStation Portable homebrew that collects articles and guides, including topics such as emulating Virtual Boy, Genesis and Game Gear games on the PSP and injecting CD-based PC Engine games into the official PSP emulator.
psycharchives.org
PsychArchives is a disciplinary repository for psychological science and neighboring disciplines. It accommodates 20 digital research object types, including articles, preprints, research data, code, supplements, preregistrations, tests and multimedia objects, and assigns DOIs to archived content.
sfuvet.swiss
Publications SFUVET is a listing of publications by researchers at the Swiss Federal university for Vocational Education and Training. It presents references to journal articles and book contributions, many marked as in press or forthcoming, with hundreds of results shown.
pmc.ncbi.nlm.nih.gov
PubMed Central is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine. It archives 12.5 million scholarly articles and offers resources for authors, publishers, and developers, including tools for bulk download and text mining.
pubpeer.com
PubPeer is a scientific research platform that allows users to search for academic publications and submit anonymous feedback or start discussions about them, including leaving comments on specific articles via identifiers such as DOI, PubMed ID, or arXiv ID.
quickcreator.io
QuickCreator describes itself as an AI content team for solo founders that produces articles in the user's voice intended to rank on Google and be cited by ChatGPT, Perplexity, and Gemini. Plans range from $29 per month to custom enterprise pricing, with a 7-day free trial.
qurate.appcradle.net
Qurate is a tool for finding quotes tailored to specific messages. Users can search for quotes by idea, tone, or situation for use in speeches, articles, presentations, and social media posts.
raindrop.io
Raindrop.io is a bookmark manager for saving books, songs, articles and other items found while browsing. Collections group related bookmarks, tags and filters aid classification, and duplicates and broken links can be found. Files and pages can be backed up, and collections can be shared. Apps are available for browsers and mobile and desktop platforms. A free plan offers unlimited bookmarks, collections and devices, with a Pro plan adding further features.
ramblefix.com
RambleFix turns rambling voice notes into polished emails, articles, and summaries. It is available on web, iPhone, and Mac, and a free tier includes 1,000 words every month with no card required.
sizeof.cat
Research article cataloging ransomware leak sites and explaining how their status is tracked.
app.rapidtextai.com
RapidTextAI is an AI article generator and auto-publishing platform. A campaign is set up once with topics, AI model, tone and schedule, and RapidTextAI writes and optimizes SEO articles and publishes them on a schedule to WordPress, Medium, LinkedIn and other apps through Zapier. It also offers a REST API, a mobile app, a Chrome extension and a WordPress plugin. Content can be created in over 50 languages.
readaloud.app
Read Aloud is a text-to-speech voice reader available as a Chrome extension that reads aloud the current web-page article with one click and supports 40+ languages. The site also lists browser extensions for Firefox and Edge and a TTS widget service.
readera.org
ReadEra is an app for reading books, magazines, articles and documents in different formats, with notes, quotes and text translation. It supports EPUB, Kindle, FB2, PDF, DjVu, Word, ODT, TXT and comic formats, and opens books from ZIP and RAR archives. Reading is free, without ads or registration.
readwise.io
Readwise Reader is a read-it-later app that saves articles, newsletters, RSS feeds, PDFs, EPUBs, YouTube videos and Twitter threads in one place. It offers web highlighting and annotation through a browser extension and integrates with the Readwise app, which resurfaces highlights via Daily Review and exports them to note-taking tools.
goodux.appcues.com
An Appcues-powered gallery of UX examples covering onboarding tours, in-app feature announcements, user surveys and signup flows, alongside articles and a podcast featuring product and design experts. It is aimed at people seeking inspiration for mobile and web product experiences.
recall.it
Recall is a personal AI knowledge base. It allows users to save, summarize, and chat with content including articles, videos, podcasts, PDFs, and notes using supported AI models such as ChatGPT, Claude, and Gemini.