早期：
GPL GPLv2 GPLv3
中期：
Apache MPL AGPL LGPL
最近
BSL SSPL Elastic 以及特殊的附加条款 Common Clause
OSI Certified:
OSI认证,开源标准的守护者,社区约束并非法律约束
包括: MIT BSD Apache MPL GPL LGPL AGPL ...
以及国内双语许可证：“木兰宽松许可证”第二版(MulanPSL v2)
内容有
1. Free Redistribution-分发自由
2. Source Code- 可以获得源代码
3. Derived Works- 允许衍生作品（以类似的许可证）
4. Integrity of The Author's Source Code - 原作者源码的完整性'
5. No Discrimination Against Persons or Groups - 不歧视个人或团体
6. No Discrimination Against Fields of Endeavor - 不歧视任何领域
7. Distribution of License - 许可的分发
8. License Must Not Be Specific to a Product - 许可不能针对特定产品
9. License Must Not Restrict Other Software - 许可证不能限制其他软件
10. License Must Be Technology-Neutral - 不能以专门的技术或界面完成授权
SSPL = AGPL + 第十三条修改：如果你用这个软件来直接在公有云上以"xxx as a Service" 的服务方式售卖这个软件本身，那么你需要将所有相关的改动，包括支持这个软件使用的后台管理平台软件，都进行开源。 目的：防止这种使用开源软件直接获利，但是不遵循游戏规则的第三方云服务商
窃以为软件协议之选择，取gitee所荐为上，人多用MIT,其它亦可，选其善己为用，后为MIT条例：
1. 流行并广泛使用: Yes
2. 许可协议类型: Permissive
3. 司法管辖区: Not specified
4.a 授予专利权: No
4.b 专利报复条款: No
5. 指定“增强型归属”: No
6. 解决“隐私漏洞”: No
7. 指定“不推广”功能: Yes
具体是在项目根目录下有 LICENSE 文件
此为 MIT 协议
MIT License Copyright (c) 2022 jinnowechat Permission 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.
标签：协议,License,No,开源,软件,MIT,Software From： https://www.cnblogs.com/jqynr/p/16612639.html