Different components of isar are under different licenses (a mix of MIT and
GPLv2). Please see:

meta/licenses/COPYING.GPLv2 (GPLv2)
meta/licenses/COPYING.MIT (MIT)

All metadata is MIT licensed unless otherwise stated. Source code
included in tree for individual recipes is under the LICENSE stated in
the associated recipe (.bb file) unless otherwise stated.

License information for any other files is either explicitly stated
or defaults to GPL version 2.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.