- Sci-Hub, 2 - Science Articles / Research Papers / Mirrors / VK /
https://reddit.com/r/scihub - Sci-Hub Tools - Official TG Bot, 2 / Extension / DL Button, 2 / PDF Download / Dumps / DOI Redirect
- Google Scholar - Academic Papers Search Engine
- Scinapse - Academic Papers Search Engine
- Citrus Search - Find Similar Research Papers
- ResearchGate - Research Papers / Publications
- SciLit - Research Papers / Publications
- Mendeley - Research Papers / Data / Reference Manager
- PapersWithCode, Catalyzex, AI Reading List, AI RND or Daily Papers - AI Research Papers
- BulletPapers - Paper Summaries
- Springer - Research Papers / Publications
- ScienceDirect - Research Papers
- base-search - Academic Papers Search Engine
- Share OSF - Academic Papers Search Engine
- Semantic Scholar - Academic Papers Search Engine
- Consensus - Academic Papers Search Engine
- Crossref - Articles Papers Search Engine
- lens - Research Papers / Patents Database
- dimensions - Research Papers / Patents Database
- Academia - Academic Papers / Downloader
- FreeFullPDF - Academic Papers
- Zooniverse - Crowdsourced Research
- Clarivate - Research Papers / Publications
- Science Hub - Research Papers
- MyScienceWork - Research Papers
- Caltech Library - Research Papers
- SciAlert - Research Papers
- Springer - Research Papers
- Biomed Central - Research Papers
- Zenodo - Research Papers
- RE3Data - Research Data
- Retraction Watch - Retracted Research Papers
- Science.gov - Scientific Paper Search
- Awesome Detection Transformer - Computer Vision Research Papers
- IDEAS or RePEc - Economic Research Papers
- PsyArXiv - Psychology Research Papers
- Open Knowledge Maps - Research Papers
- Internet Archive Scholar - Research Papers
- Alexandria - Research Papers
- Paper Panda - Research Papers
- Open Access Library - Research Papers
- Paperity - Research Papers
- OpenAire - Research Papers
- Association for learning Technology - Research Papers
- Local Models Papers - LLM Related Research Papers
- PromptPapers - Pre-Trained Language Model Tuning Papers
- PubMed - Medical Journals / Search
- OpenMD - Medical Journals
- Free Medical Journals - Medical Journals
- medrxiv - Medicine Preprints
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- Bioline - Bioscience Journals
- SSRN - Early Stage Research Papers
- CensorBib or censoredplanet.org - Internet Censorship Research Papers
- Connected Papers or LitMaps - Find Connected Academic Papers