Licensing

The Playstation Vita uses open source available material for most of its system resources.

Notes for readers/editors:

Bold term (left) with generic/wiki link, followed by more specific link if possible.

Playstation Vita

base64: is a utility to encode and decode base64 files.
[blist:] web based relational data base?
bzip2: is a free and open-source file compression program.
cJSON: is an ultra-lightweight, portable, single-file, simple-as-can-be ANSI-C compliant JSON parser.
[FreeBSD:]
FreeType 2: is a software font engine.
giflib: is a library for rendering and generating GIF image files.
Jerasure version 1.2A: is a Library in C/C++ Facilitating Erasure Coding for Storage Applications.
libjpeg: is a widely used free software library written in C which implements JPEG.
[libtiff:]
libusrsctp:
MD5: is a message-digest algorithm.
NetBSD: is an open-source, Unix-like operating system.
CELT (Opus): is a interactive audio codec.
Protocol Buffers: are a method of serializing structured data.
squish: is an open source DXT compression.
[strlcpy]
zlib: is a software library used for data compression, written by Jean-loup Gailly (compression) and Mark Adler (decompression).

libical: is an Open Source (MPL/LGPL) implementation of the IETF's iCalendar Calendaring and Scheduling protocols.

ICU: is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization support.

cairo: is a 2D graphics library used to provide a vector graphics-based.
cURL: is a computer software project providing a library and command-line tool for transferring data using various protocols.
[dtoa:]
[expat:]
FreeType 2: is a software font engine.
ICU: is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization support.
libjpeg: is a widely used free software library written in C which implements JPEG.
libpng: is the official Portable Network Graphics (PNG) reference library (originally called pnglib).
libxml2: is a software library for parsing XML documents.
[OpenSSL:]
[PCRE:]
pixman: is a low-level software library for pixel manipulation.
Webkit (<=1.81 / 2.00)
zlib: is a software library used for data compression, written by Jean-loup Gailly (compression) and Mark Adler (decompression).

OpenCV: is a library of programming functions mainly aimed at real-time computer vision.

[libYAML:]
Mono class libraries: are class libraries.
Mono VM: is a free and open source project to create an Ecma standard-compliant, .NET Framework-compatible set of tools.

[Boost:]
FLANN: is a library for performing fast approximate nearest neighbor searches in high dimensional spaces.
OpenCV: is a library of programming functions mainly aimed at real-time computer vision.