TimelineJS is an open-source tool that enables anyone to build visually rich, interactive timelines. Beginners can create a timeline using nothing more than a Google spreadsheet, like the one we used for the Timeline above. Experts can use their JSON skills to create custom installations, while keeping TimelineJS's core functionality. Tips & tricks Keep it short. We recommend not having more than
![Timeline JS](https://cdn-ak-scissors.b.st-hatena.com/image/square/dc6fc5cb19958c72244bb66aeeb63da213005883/height=288;version=1;width=512/https%3A%2F%2Fcdn.knightlab.com%2Flibs%2Forangeline%2Flatest%2Fassets%2Fscreenshot-timeline.png)