A recent study by Khabsa & Giles (2014)* estimated that 24% of scientific papers are freely available through Google Scholar. In some scientific disciplines, it reached as high as 50%. Thus, Google Scholar can be a first stop to check for a free full text of a paper.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Google Chrome
- Firefox

Lazy Scholar is the most popular Web-based alternative to Google Scholar Button.
Lazy Scholar is the most popular free alternative to Google Scholar Button.
- Lazy Scholar is Free and Proprietary


