You have a collection of work (a backlog) that includes items from several projects. You need to predict the end dates of projects based on the rate at which you're actually completing work (your velocity) and on the current mix of work items, and make decisions about shuffling the backlog to move the estimate completion dates of various projects. Right so far?
Given a velocity (units of work per fixed time period), you can plan ahead by dividing your backlog items into time boxes (iterations) that hold no more than a velocity's worth of items. The time box that the last work item for a project lands in is when that project is predicted to be done. Shuffle the mix accordingly.
This is called "reality based" scheduling in some quarters, since it's based on a demonstrated rate of progress and consistent estimation. Gannt is plan based; there's a tendency to want to make reality conform to the plan, which causes a lot of stress and pain.
There are a number of Agile/Scrum tools that will automate the management of your work backlog, and let you track work and calculate velocity. I'm a fan of Pivotal Tracker, which is web-based and free. (Full disclosure: I worked with Pivotal Labs.)
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在基于 Java 的 Feeware 前端，您有 GanttProject。
您可以从此jnlp 链接。
On the Feeware java-based front, you have GanttProject.
You can launch it from this jnlp link.
如果您没有 Microsoft Project，则可以在 Excel 中使用堆积条形图执行此操作。
http://office.microsoft.com/en-us/excel/HA010346051033。 ASPX
If you don't have Microsoft Project, you can do this in Excel using a stacked bar chart.
http://office.microsoft.com/en-us/excel/HA010346051033.aspx
我认为它被称为甘特图。
Google 可以找到很多开源的可能性，包括这个。 不知道好不好用
I think it's called a Gantt chart.
And Google can find a bunch of open source possibilities, including this one. I don't know if it's any good.
微软项目是一个很好的项目。
Microsoft project is a good one.
对于 Mac OS，您应该查看 OmniPlan。
For Mac OS, you should take a look at OmniPlan.
您真的需要甘特图吗？
您有一个工作集合（待办事项），其中包括来自多个项目的项目。 您需要根据实际完成工作的速度（您的速度）和当前的工作项目组合来预测项目的结束日期，并做出有关调整积压工作以移动各个项目的估计完成日期的决策。 到目前为止还好吗？
给定速度（每个固定时间段的工作单位），您可以通过将待办事项列表项划分为时间框（迭代）来提前计划，这些时间框容纳不超过速度的项目价值。 项目的最后一个工作项所处的时间框是该项目预计完成的时间。 相应地混合混音。
在某些方面，这被称为“基于现实”的调度，因为它基于已证明的进度和一致的估计。 甘特图是基于计划的； 人们倾向于让现实符合计划，这会带来很多压力和痛苦。
有许多敏捷/Scrum 工具可以自动管理您的工作积压，并让您跟踪工作并计算速度。 我是 Pivotal Tracker 的粉丝，它是基于网络且免费的。 （全面披露：我与 Pivotal Labs 合作。）
Do you really need a Gannt chart?
You have a collection of work (a backlog) that includes items from several projects. You need to predict the end dates of projects based on the rate at which you're actually completing work (your velocity) and on the current mix of work items, and make decisions about shuffling the backlog to move the estimate completion dates of various projects. Right so far?
Given a velocity (units of work per fixed time period), you can plan ahead by dividing your backlog items into time boxes (iterations) that hold no more than a velocity's worth of items. The time box that the last work item for a project lands in is when that project is predicted to be done. Shuffle the mix accordingly.
This is called "reality based" scheduling in some quarters, since it's based on a demonstrated rate of progress and consistent estimation. Gannt is plan based; there's a tendency to want to make reality conform to the plan, which causes a lot of stress and pain.
There are a number of Agile/Scrum tools that will automate the management of your work backlog, and let you track work and calculate velocity. I'm a fan of Pivotal Tracker, which is web-based and free. (Full disclosure: I worked with Pivotal Labs.)
我会向您推荐一个在线免费工具，它可以让您创建您想要的东西，它被称为“Gantter”
I would recommend you an online and free tool that will let you create what you want, it is called "Gantter"
对于 Linux 和 Windows：Planner
For Linux and Windows: Planner
OpenProj 确实有能力，似乎与 MSProject 兼容，并且可以在 Windows / Linux / Mac 上运行（它基于 Java）。 它也是免费的。
OpenProj is really capable, seems to be MSProject compatible, and works on Windows / Linux / Mac (it's Java based). It's also free.
关于时间管理软件，有很多种，我用过的一个叫EfficientCalendar ，只是一个建议。
About time management software, there are many kinds of it, one I have used is called EfficientCalendar, just an advise.