Suppose I use this ActionScript API released under MIT licenseto build a software: http://www.cove.org/ape/docs/api/Can I sell that software?Do I need to give the source code of my software away?Is anyone receiving my software permitted to resell the software?
Meaning of MIT license
licensing;mit license
You can sell the software.No, you are not compelled to provide source code.Anyone who receives source code may do as the license permits. This does not extend to binary distributions.Read the MIT license. Read the whole thing and understand it. It was meant to be read by ordinary people, unlike other licenses that are very complex:Copyright (c) year copyright holdersPermission is hereby granted, free of  charge, to any person obtaining a copy  of this software and associated  documentation files (the Software),  to deal in the Software without  restriction, including without  limitation the rights to use, copy,  modify, merge, publish, distribute,  sublicense, and/or sell copies of the  Software, and to permit persons to  whom the Software is furnished to do  so, subject to the following  conditions:The above copyright notice and this  permission notice shall be included in  all copies or substantial portions of  the Software.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.