This is an overview of the different licenses for the different fonts:


exljbris Font Foundry Free Font License

Delicious-Roman.otf
Delicious-Italic.otf
Delicious-Bold.otf
Delicious-BoldItalic.otf
Delicious-Heavy.otf
Delicious-SmallCaps.otf

GPLv3: gpl-3.0.txt

FreeSans.ttf


The following fonts were found thanks to this article and link:
http://hellohappy.org/beautiful-web-type/
https://github.com/ubuwaits/beautiful-web-type

Apache license: apache.txt

OpenSans-Regular.ttf
OpenSans-Italic.ttf
OpenSans-Bold.ttf
OpenSans-BoldItalic.ttf
OpenSans-Light.ttf
OpenSans-LightItalic.ttf
OpenSans-Semibold.ttf
OpenSans-SemiboldItalic.ttf
OpenSans-ExtraBold.ttf
OpenSans-ExtraBoldItalic.ttf

Noto is Google’s font family that aims to support all the world’s languages.
Its design goal is to achieve visual harmonization across languages.
Noto fonts are under Apache License 2.0.
See https://www.google.com/get/noto/#/
Noto's goal is providing a beautiful reading experience for everyone and for all languages. With visual harmony when multiple languages share a page. With multiple styles and weights. Freely available to all.
Currently, Noto covers all major languages of the world and many others, including European,
African, Middle Eastern, Indic, South and Southeast Asian, Central Asian, American, and East Asian languages.
Several minority and historical languages are also supported.
Support for Simplified Chinese, Traditional Chinese, Japanese, and Korean has been added in July 2014.

SIL OPEN FONT LICENSE Version 1.1: OFL.txt

AbrilFatface-Regular.ttf
Cardo-Regular.ttf
Cardo-Italic.ttf
Cardo-Bold.ttf
GenBkBasR.ttf
GenBkBasI.ttf
GenBkBasB.ttf
GenBkBasBI.ttf
GravitasOne.ttf
Lato-Regular.ttf
Lato-Italic.ttf
Lato-Bold.ttf
Lato-BoldItalic.ttf
Lato-Light.tth
Lato-LightItalic.tth
Lato-Black.ttf
Lato-BlackItalic.ttf
Lato-Hairline.ttf
Lato-HairlineItalic.ttf
Merriweather-Regular.ttf
Merriweather-Italic.ttf
Merriweather-Bold.ttf
Merriweather-BoldItalic.ttf
Merriweather-Light.ttf
Merriweather-Lightitalic.ttf
Merriweather-HeavyItalic.ttf
Merriweather-Black.ttf
OldStandard-Regular.ttf
OldStandard-Italic.ttf
OldStandard-Bold.ttf
Oswald-Regular.ttf
Oswald-Bold.ttf
Oswald-Light.ttf
PlayfairDisplay-Regular.ttf
PlayfairDisplay-Italic.ttf
PlayfairDisplay-Bold.ttf
PlayfairDisplay-BoldItalic.ttf
PlayfairDisplay-Black.ttf
PlayfairDisplay-BlackItalic.ttf
PT_Sans-Web-Regular.ttf
PT_Sans-Web-Italic.ttf
PT_Sans-Web-Bold.ttf
PT_Sans-Web-BoldItalic.ttf
PT_Sans-Narrow-Web-Regular.ttf
PT_Sans-Narrow-Web-Bold.ttf
PT_Serif-Web-Regular.ttf
PT_Serif-Web-Italic.ttf
PT_Serif-Web-Bold.ttf
PT_Serif-Web-BoldItalic.ttf
PTM55FT.ttf
Vollkorn-Regular.ttf
Vollkorn-Italic.ttf
Vollkorn-Bold.ttf
Vollkorn-BoldItalic.ttf

Fonts downloaded from http://cooltext.com/

cfmingeb.ttf http://cooltext.com/Download-Font-%E6%98%8E%E9%AB%94+TSC+FMing