I guess a Redmine setup plus a DVCS (like Git), combined with eclipse and Mylyn would be the closest open-source alternative to Rational Team Concert.
You still would miss some nice features like instant messaging and stack debugging transfer (the ability to freeze a live execution and transfer it to a colleague), but that would be a good start.
公平披露：我在 IBM 工作。 公平的答案：一分钱一分货。 有很多开源替代品。 没有一个比 Team Concert 更好，我坚定地支持这一点。 让您的 IBM 代表进行业务价值评估，并向您展示如果您购买 Team Concert，您的投资回报率是多少。 他们应该能够为您提供这些数字。 它要么具有商业意义，要么没有。 拥有 100 名无法高效工作的开发人员的成本相当高。
Fair disclosure: I work for IBM. Fair answer: You get what you pay for. There are plenty of open source alternatives. None are as good as Team Concert and I firmly stand behind that. Have your IBM representative do a business value assessment and show you what your return on investment will be if you purchase Team Concert. They should be able to provide you these numbers. Either it makes business sense, or it doesn't. Having 100 developers who aren't working efficiently is quite costly.
Fair disclosure: I'm involved in RTC ecosystem maintenance and I support RTC users.
Fair answer (based on 4.0 and 4.0.1 experience): RTC is too expensive given its quality and performance. Buggy, slow, vulnerable to user errors. Not flexible in maintenance - eg. migrating projects is a nightmare, same as migrating a JTS to another host. It's extremely customisable, which is both its asset and a weakness - you will have to invest in RTC proffessionals who are able to debug and fix wicked "customisations" introduced by users.
I don't know for alternatives. But if this is the state of the art, then - hmm.
You can get very good project management plugins for JIRA such as GreenHopper. JIRA also integrates with CVS and SVN. The overall effect probably won't be a smooth as with Team Concert, but it should be an awful lot cheaper.
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我猜想是 Redmine 设置加上 DVCS （比如Git），结合 eclipse 和 Mylyn 将是最接近 Rational Team Concert 的开源替代品。
您仍然会错过一些不错的功能，例如即时消息传递和堆栈调试传输（冻结实时执行并将其传输给同事的能力），但这将是一个好的开始。
I guess a Redmine setup plus a DVCS (like Git), combined with eclipse and Mylyn would be the closest open-source alternative to Rational Team Concert.
You still would miss some nice features like instant messaging and stack debugging transfer (the ability to freeze a live execution and transfer it to a colleague), but that would be a good start.
公平披露：我在 IBM 工作。 公平的答案：一分钱一分货。 有很多开源替代品。 没有一个比 Team Concert 更好，我坚定地支持这一点。 让您的 IBM 代表进行业务价值评估，并向您展示如果您购买 Team Concert，您的投资回报率是多少。 他们应该能够为您提供这些数字。 它要么具有商业意义，要么没有。 拥有 100 名无法高效工作的开发人员的成本相当高。
Fair disclosure: I work for IBM. Fair answer: You get what you pay for. There are plenty of open source alternatives. None are as good as Team Concert and I firmly stand behind that. Have your IBM representative do a business value assessment and show you what your return on investment will be if you purchase Team Concert. They should be able to provide you these numbers. Either it makes business sense, or it doesn't. Having 100 developers who aren't working efficiently is quite costly.
公平披露：我参与 RTC 生态系统维护并支持 RTC 用户。
公平的答案（基于 4.0 和 4.0.1 的经验）：考虑到 RTC 的质量和性能，它太贵了。 有缺陷、速度慢、容易出现用户错误。 维护不灵活 - 例如。 迁移项目是一场噩梦，就像将 JTS 迁移到另一台主机一样。 它具有极高的可定制性，这既是它的优点，也是它的弱点——你必须投资于 RTC 专业人员，他们能够调试和修复用户引入的邪恶“定制”。
我不知道有什么替代方案。 但如果这是最先进的，那么 - 嗯。
Fair disclosure: I'm involved in RTC ecosystem maintenance and I support RTC users.
Fair answer (based on 4.0 and 4.0.1 experience): RTC is too expensive given its quality and performance. Buggy, slow, vulnerable to user errors. Not flexible in maintenance - eg. migrating projects is a nightmare, same as migrating a JTS to another host. It's extremely customisable, which is both its asset and a weakness - you will have to invest in RTC proffessionals who are able to debug and fix wicked "customisations" introduced by users.
I don't know for alternatives. But if this is the state of the art, then - hmm.
您可以获得非常好的 JIRA 项目管理插件，例如 GreenHopper。 JIRA 还与 CVS 和 SVN 集成。 整体效果可能不会像 Team Concert 那样流畅，但应该便宜很多。
You can get very good project management plugins for JIRA such as GreenHopper. JIRA also integrates with CVS and SVN. The overall effect probably won't be a smooth as with Team Concert, but it should be an awful lot cheaper.
Trac 与 svn （可能还有 hudson）将实现其中许多目标。 （全部都是开源的）
这篇文章是一个好的开始：
使用 Trac 进行敏捷项目管理
Trac with svn (and possibly hudson) will fulfil many of these goals. (all are open source)
This article is a good start:
Using Trac for agile project management