Licensing and copyright
Vely is Free Open Source software licensed under GNU Lesser General Public License v3.0
(LGPL 3) for libraries linked with your applications, and otherwise under GNU General Public License v3.0
(GPL 3), so you can use Vely to write applications (including proprietary and commercial) without having to release your source code.
Vely examples are licensed under Apache License 2.0
, making it easy to get started. Vely documentation is licensed under Creative Commons Attribution Share Alike 4.0 International
, which permits sharing of documentation.
Vely is copyright (c) 2017 Dasoftver LLC.
The following discussion is not legal advice.
Vely does not use static libraries. Vely makes use of the following dynamically-linked libraries (with copyright by their respective owners), only if your application actually uses them:
These libraries are installed as Vely package dependencies by the Operating System packager (such as apt, dnf, pacman or zypper), but are not distributed with Vely.
Vely uses FNV-1a hash function, which is released in the public domain (see wikipedia page
) and is not patented (see Landon Noll's
Vely source code uses SPDX
, an open ISO standard for communicating sofware bill of material information (such as licenses), to improve on open source licensing compliance for companies and communities.
With regards to any application written using Vely, the prevailing (the most restrictive, i.e. final) license, from the Open Source License Compliance perspective, is the LGPL 3 license.
Thus, if you are a software developer using Vely to write any application, commercial or otherwise, you do not have to release your source code.