Readers choosing a design and prototyping tool need a way to distinguish broad product descriptions from projects with strong current signals. This August 2026 snapshot uses ToolVitals data for open/source-visible tools, including each tool’s score, health score, shipping score, openness label, and license label.
The ranking includes open/source-visible tools only. ToolVitals score determines the primary order, with health and shipping used to break equal composite scores; GitHub stars provide context only and do not determine rank.
Rankings
| Rank | Tool | Openness | License | Health | Shipping | GitHub Stars | Score | Status |
|---|---|---|---|---|---|---|---|---|
| 1 | Penpot | OSI-approved OSS | MPL-2.0 | 98 | 98 | 59253 | 98 | 🟢 Excellent |
| 2 | Storybook | OSI-approved OSS | MIT | 97 | 98 | 90934 | 97 | 🟢 Excellent |
| 3 | Pascal | OSI-approved OSS | MIT | 97 | 97 | 21730 | 97 | 🟢 Excellent |
| 4 | OpenPencil | OSI-approved OSS | MIT | 96 | 97 | 5694 | 97 | 🟢 Excellent |
| 5 | Open Pencil | OSI-approved OSS | MIT | 96 | 97 | 7985 | 96 | 🟢 Excellent |
| 6 | Presenton | OSI-approved OSS | Apache-2.0 | 96 | 97 | 9848 | 96 | 🟢 Excellent |
| 7 | Ashim | OSI-approved OSS | AGPL-3.0 | 95 | 96 | 2372 | 96 | 🟢 Excellent |
| 8 | Tixl | OSI-approved OSS | MIT | 95 | 96 | 5081 | 95 | 🟢 Excellent |
| 9 | Webstudio | OSI-approved OSS | AGPL-3.0 | 94 | 95 | 8864 | 94 | 🟢 Excellent |
| 10 | EasySchematic | OSI-approved OSS | AGPL-3.0 | 92 | 94 | 120 | 93 | 🟢 Excellent |
| 11 | Silex | OSI-approved OSS | AGPL-3.0 | 92 | 92 | 2940 | 92 | 🟢 Excellent |
| 12 | Repath Studio | OSI-approved OSS | AGPL-3.0 | 90 | 94 | 164 | 91 | 🟢 Excellent |
| 13 | Excalidraw | OSI-approved OSS | MIT | 92 | 87 | 130663 | 90 | 🟢 Excellent |
| 14 | Wayscriber | OSI-approved OSS | MIT | 87 | 94 | 717 | 90 | 🟢 Excellent |
| 15 | Graphite | OSI-approved OSS | Apache-2.0 | 91 | 85 | 26929 | 89 | 🟢 Excellent |
| 16 | Terrazzo | OSI-approved OSS | MIT | 90 | 86 | 449 | 88 | 🟢 Excellent |
| 17 | Modulz | OSI-approved OSS | MIT | 87 | 85 | 19215 | 86 | 🟢 Excellent |
| 18 | Awatif | OSI-approved OSS | MIT | 86 | 85 | 174 | 86 | 🟢 Excellent |
| 19 | ArcMindAI | OSI-approved OSS | MIT | 89 | 80 | 161 | 85 | 🟢 Excellent |
| 20 | Freecut | OSI-approved OSS | MIT | 83 | 85 | 2102 | 84 | 🟢 Excellent |
| 21 | Next AI Draw.io | OSI-approved OSS | Apache-2.0 | 86 | 77 | 35333 | 83 | 🟢 Excellent |
| 22 | Knotter | OSI-approved OSS | GPL-3.0 | 81 | 83 | 4 | 82 | 🟢 Excellent |
| 23 | Drawtonomy | OSI-approved OSS | Apache-2.0 | 79 | 77 | 99 | 78 | 🟢 Good |
| 24 | Drawnix | OSI-approved OSS | MIT | 77 | 67 | 14629 | 73 | 🟢 Good |
| 25 | Infinipaint | OSI-approved OSS | GPL-3.0 | 75 | 70 | 475 | 73 | 🟢 Good |
| 26 | Onlook | OSI-approved OSS | Apache-2.0 | 50 | 18 | 26559 | 38 | 🔴 Needs Attention |
| 27 | app-store-screenshots | OSI-approved OSS | MIT | 40 | 16 | 6709 | 31 | 🔴 Needs Attention |
| 28 | Superdesign | OSI-approved OSS | AGPL-3.0 | 34 | 13 | 6895 | 26 | 🔴 Needs Attention |
| 29 | MaterialVect | OSI-approved OSS | Apache-2.0 | 27 | 10 | 2 | 20 | 🔴 Needs Attention |
| 30 | EasyLogic Studio | OSI-approved OSS | MIT | 19 | 0 | 500 | 12 | 🔴 Needs Attention |
| 31 | Screenlite | OSI-approved OSS | MIT | 16 | 0 | 363 | 9 | 🔴 Needs Attention |
| 32 | Poster Design | OSI-approved OSS | MIT | 1 | 0 | 4802 | 1 | 🔴 Needs Attention |
| 33 | Animockup | OSI-approved OSS | MIT | 0 | 0 | 1925 | 0 | 🔴 Needs Attention |
| 34 | CanvyDocs | OSI-approved OSS | AGPL-3.0 | 0 | 0 | 138 | 0 | 🔴 Needs Attention |
| 35 | Meshy | OSI-approved OSS | MIT | 0 | 0 | 421 | 0 | 🔴 Needs Attention |
Top 3 Highlights
Penpot ranks first with a ToolVitals score of 98, a health score of 98, and a shipping score of 98. Its supplied description identifies it as an open-source design and prototyping platform. Penpot is listed as OSI-approved OSS with the MPL-2.0 license, making it the highest-ranked option in this snapshot for a general design and prototyping workflow.
Storybook ranks second with a ToolVitals score of 97, a health score of 97, and a shipping score of 98. Its supplied description focuses on building, documenting, and testing UI components in isolation, giving it a clear fit for component-centered design and prototyping work. Storybook is listed as OSI-approved OSS with the MIT license.
Pascal ranks third with a ToolVitals score of 97, a health score of 97, and a shipping score of 97. It is described as a tool for creating and sharing 3D architectural projects, giving the ranking a focused option for architectural 3D work. Pascal is listed as OSI-approved OSS with the MIT license.
Want to see the full health, license, shipping, and confidence details for every tool in Design & Prototyping? Browse all Design & Prototyping Tools →