Timeline.io is described as 'Enable asynchronous feedback for all of your projects. Let your clients click and comment, so you can see exactly what they want changed, reducing confusion & saving time' and is an website in the Business & Commerce category. There are more than 25 alternatives to Timeline.io, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and SaaS. The best alternative is Mantis Bug Tracker, which is both free and Open Source. Other great sites and apps similar to Timeline.io are Usersnap (Paid), Marker (Freemium), Survicate (Freemium) and Saber (Freemium).
Mantis Bug Tracker is a free and open source, web-based bug tracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. MantisBT can be installed on Windows, Linux, Mac OS, OS/2, and others.
Create & annotate visual bug report tickets in your project management tool in seconds. Marker.io adds technical metadata & console logs for you, so developers can recreate & resolve faster. Developer-ready issues, even from non-technical reporters.
Survicate is an all-in-one customer feedback software. With just one tool, you can collect customer feedback across all digital touchpoints. Use collected insights to decrease churn, improve customer loyalty, and address customers' needs more precisely.
Saber website feedback is easy to use, quick to set up, and free. Saber adds a customizable feedback button to your website allowing visitors to submit feedback and report issues, while automatically capturing the browser, operating system and errors.
OneTrack is a bug/issue tracker designed to be simple but powerful. It does away with complex menus with dozens of filters and offers instead a clean easy to understand experience. Aimed at both beginner and seasoned developer.
Use your existing WordPress site to get feedback on your design projects. Upload your design images, wireframes, mockups, logo sketches, photography and more. Gather comments directly on top of your designs. Get clear approval and move forward with the project.
Get visual feedback on any web page! Userback is a visual feedback and bug tracking tool that works on any web page. Get high-quality feedback with video and annotated screenshots. Plus easily manage feedback with custom workflows and popular integrations.