Red Pen Alternatives

Prototyping and collaboration for design teams

The all-in-one design sharing, collaboration, workflow and app prototyping platform

paid Free Trial $8.0 / Monthly

Create FREE one-page sites with limey.io. Receive gifts. Capture leads. Share your favorite photos. All in a matter of minutes.

Visit website freemium $5.0 / Monthly (Lite paid plan)

Sticky note-based feedback collection tool for live websites

Open Source

15Five software elevates the performance and engagement of employees by consistently asking questions and starting the right conversations.

A service that allows designers and clients to annotate and collaborate on images in real time

Build happy, high-performing remote teams

paid Free Trial $2.0 / Monthly (per employee)

Collaboration app for UI designers & frontend developers

What's next after wireframes? Visual Design and Notism.

Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.

Flatsies is a tool for designers to share their concepts with clients in a simple and elegant way.

We all want to make progress.

Get your startup more aligned & engaged with better 1-on-1s

Simplify data collection in your JavaScript application with SurveyJS UI components. Create and style dynamic JSON-based forms using a fully integrated form builder that features a CSS theme editor and GUI for conditional rules and form branching.

Open Source freemium $499.0 / One-off (1 developer license, unlimited form creators)