References and Journals

PDFAnnotations turns PDF highlights and comments into reusable notes. Extract, clean, convert and organise annotations and export them to Markdown, CSV or plain text, with Pro formats for Obsidian, Notion, Excel and JSON. Processing happens locally in your browser.

LitSource is a biomedical research assistant for finding relevant scholarly papers and checking that citation records are traceable before use. It matches claims and references to scholarly records (PubMed, PMC, Crossref, OpenAlex, Semantic Scholar) and flags mismatches for human review, leaving interpretation and final citation decisions to the researcher.

Generate IEEE-style citations from a DOI, URL, ISBN or title. Review source details, copy numbered in-text citations and export a reference list to Word or BibTeX without signing up.

Coherence is an AI reading workspace for research articles and PDFs. Ask contextual questions about selected passages, annotate sources, and organise saved sources and notes in a smart knowledgebase. It supports PDF parsing and Markdown workflows, with web, Chrome and macOS access and a free plan.

BGPT API searches scientific papers through REST/Python or MCP and returns structured full-text study evidence rather than only abstracts. It is useful for literature review agents, scientific RAG, systematic review screening and evidence tables.

AMA Cite is a free, browser-based AMA 11th edition citation generator for medical and life-science references. Enter a DOI, PMID, ISBN, title, URL or source details to format a reference, review it, manage a local citation list and export to BibTeX, TXT or Word.

AI Hubs offers an AI synthesis platform and an academic research API. It helps find and understand research papers, answer questions with verified sources, synthesise evidence across papers and manage citations (BibTeX, APA 7, RIS).

Scholar Inbox is a personal paper recommender which enables researchers to stay up-to-date with the most relevant progress in their fields based on their personal research interests.

Enago Read is an AI assistant that speeds up the literature review process, offering summaries and key insights to save researchers reading time. It boosts productivity with advanced AI technology and the Copilot feature, enabling real-time questions for deeper comprehension of extensive literature. (It was called RAx.)

Find the most relevant literature using graphs and metrics.

Expontum (https://www.expontum.com/) - Helps researchers quickly find knowledge gaps and identify what research projects have been completed before.

ScienceCast is a free open-access platform for researchers to disseminate their scientific results and ideas to a wide audience of fellow scientists, journal Editors, grant program managers, and other professionals working at the cutting edge of science and innovation.

Aria is Your AI Research Assistant Powered by Large Language Models

Your AI research assistant in Zotero, powered by Large Language Models (LLMs).

To retrieve BibTeX entries by inserting DOI into a web system that will return the BibTeX entry corresponding to the document/record.

With Dimensions, you have free access to a vast collection of curated research outputs and tools that help you source exactly what you need to advance your own discoveries.

The mission of Papers with Code is to create a free and open resource with Machine Learning papers, code, datasets, methods and evaluation tables. There is also papers with code for physics, astronomy, and more.

Sci-Tech knowledge graph & text analysis platform for scientific literature tracking, summarization and search

Discover and track literature

A browser extension that adds video explanations to research papers on arxiv.org

PaperPanda is a chrome extension to access the PDF files of research papers by automatically searching the web. So our research is not blocked by the paywall.

The online journal club of research articles with comments.

Cite your sources in over 9,000 formats and generate automatic citations and works cited for books, websites and journal articles.

Explore scientific, technical, and medical research on Artigo

A browser extension to read and download papers for free and legally.

Understand the journals and institutes through publications

A knowledge base that lets you capture notes, code, and research lightning-fast. Everything adds to a web of ideas that’s easy to use at scale.

Explore connected papers in a visual graph

Understand how the journals deal with submissions and how reviews are done

(Rebranded to Enago Read) Speed up literature analysis and comprehension with RAx. Smart assistant to explore, collate insights and organize your research easily.

Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.

AI Powered Research Career: rankings of researchers, academic institutes, and conferences; trends of research topics; datasets for research.

Visual workspace, online tool for quick diagrams

An open database of free scholarly articles for you to legally download research papers for free.

the peer-reviewed open-access encyclopedia, where knowledge is curated by communities of experts.

An open source bibliography reference manager with syncing and BibTeX support.

A bibliography reference manager with cloud storage and BibTeX support.

A all platform app for reference mamagement, note-taking, and more. The former Papers has been rebanded as ReadCube Papers.

OSF is a free, open platform to support your research and enable collaboration.

A unique ID for researchers

duecredit is being conceived to address the problem of inadequate citation of scientific software and methods, and limited visibility of donation requests for open-source software.

Create, share, and collaborate on protocals. Protocals.io is not only for biologist, it can be used for any protocals.

Speed up literature review

Web interface for browsing, search and filtering recent arxiv submissions

free and open access scientific collaboration network

Paperscape is an interactive map that visualises the arXiv, an open, online repository for scientific research papers.