Best UI Design Tools in 2026
Updated
Designing an interface often means moving between visual systems, interactive prototypes, and work that developers can use. Compare design systems and variables tokens with interactive prototyping and prototype sharing; real time collaboration may matter when several people work together. Developer handoff and desktop app availability add practical considerations, while free plans and paid-from prices help you weigh access and cost. Justinmind, Marvel, and Penpot are among the tools included. Use these features to consider which capabilities fit your design process and how you share interface work with collaborators.
UI design tools, one module each.A lit port is something its maker publishes; 4 of 4 with a known API signal have a public API.
- 01 Justinmind API yesFREE yesDOCS 7.3$19/mo
- 02 Marvel API yesFREE yesDOCS 7.3$12/mo
- 03 Penpot API yesFREE yesDOCS 7.3$7/mo
- 04 ProtoPie API yesFREE yesDOCS 7.3$25/mo
- 05 Mockplus FREE yesDOCS 6.0$2.48/mo
- 06 UXPin FREE yesDOCS 6.0$29/mo
- 07 Fluid UI FREE yesDOCS 5.9$8.25/mo
- 08 Frame0 FREE yesDOCS 5.9$79/mo
- 09 Lunacy FREE yesDOCS 5.9$1/mo
- 10 MockFlow FREE yesDOCS 5.9Free
- 11 Proto.io FREE yesDOCS 5.9$29/mo
- 12 Visily FREE yesDOCS 5.9$14/mo
- 13 Wondershare Mockitt FREE yesDOCS 5.9$2/mo
- 14 FlowMapp FREE yesDOCS 5.8$15/mo
- 15 Moqups FREE yesDOCS 5.8$7/mo
- 16 MUI FREE yesDOCS 5.8$24.92/mo
- 17 NinjaMock FREE yesDOCS 5.8$85/mo
- 18 Origami Studio FREE yesDOCS 5.8Free
- 19 Quant-UX FREE yesDOCS 5.8Free
- 20 Uizard FREE yesDOCS 5.8$3.25/mo
- 21 Wireframe.cc FREE yesDOCS 5.8$1/mo
- 22 Pencil Project FREE yesDOCS 5.7Free
- 23 Figma Slides DOCS 5.6$3/mo
- 24 ForeUI FREE noDOCS 5.4€130/mo
- 25 HT Mega DOCS 5.4$2.42/mo
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Real time collaboration | Interactive prototyping | Design systems |
|---|---|---|---|---|---|---|---|---|
| 1 | Justinmind | 7.3 | Free plan | $19/mo | Yes | Yes | Yes | Yes |
| 2 | Marvel | 7.3 | Free plan | $12/mo | Yes | Yes | Yes | Yes |
| 3 | Penpot | 7.3 | Free plan | $7/mo | Yes | Yes | Yes | Yes |
| 4 | ProtoPie | 7.3 | Free plan | $25/mo | Yes | Yes | Yes | |
| 5 | Mockplus | 6.0 | Free plan | $2.48/mo | Yes | Yes | Yes | Yes |
| 6 | UXPin | 6.0 | Free plan | $29/mo | Yes | Yes | Yes | Yes |
| 7 | Fluid UI | 5.9 | Free plan | $8.25/mo | Yes | Yes | Yes | Yes |
| 8 | Frame0 | 5.9 | Free plan | $79/mo | Yes | Yes | Yes | |
| 9 | Lunacy | 5.9 | Free plan | $1/mo | Yes | Yes | ||
| 10 | MockFlow | 5.9 | Free plan | Free | Yes | Yes | Yes | Yes |
| 11 | Proto.io | 5.9 | Free plan | $29/mo | Yes | Yes | Yes | |
| 12 | Visily | 5.9 | Free plan | $14/mo | Yes | Yes | Yes | Yes |
| 13 | Wondershare Mockitt | 5.9 | Free plan | $2/mo | Yes | Yes | Yes | Yes |
| 14 | FlowMapp | 5.8 | Free plan | $15/mo | Yes | Yes | Yes | |
| 15 | Moqups | 5.8 | Free plan | $7/mo | Yes | Yes | Yes | Yes |
| 16 | MUI | 5.8 | Free plan | $24.92/mo | Yes | Yes | ||
| 17 | NinjaMock | 5.8 | Free plan | $85/mo | Yes | Yes | Yes | |
| 18 | Origami Studio | 5.8 | Free plan | Free | Yes | Yes | Yes | |
| 19 | Quant-UX | 5.8 | Free plan | Free | Yes | Yes | Yes | Yes |
| 20 | Uizard | 5.8 | Free plan | $3.25/mo | Yes | Yes | Yes | Yes |
| 21 | Wireframe.cc | 5.8 | Free plan | $1/mo | Yes | Yes | Yes | |
| 22 | Pencil Project | 5.7 | Free plan | Free | Yes | |||
| 23 | Figma Slides | 5.6 | $3/mo | Yes | ||||
| 24 | ForeUI | 5.4 | No | €130/mo | No | No | Yes | Yes |
| 25 | HT Mega | 5.4 | $2.42/mo | Yes |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.