Side by side
OpenSlug vs Wavemaker Cards
Both stand on writing apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneWeb
OpenSlug offers offline screenplay creation with broad import and export options and unlimited draft management. Its device-only storage protects against server collection but leaves backup responsibility with the writer.
Visit OpenSlug Free plan AndroidiPhoneLinux+3
Wavemaker Cards combines novel planning, research organization, and writing tools, with offline use and user-managed project storage. Real-time collaboration is absent, and connecting the assistant bot may involve a separate OpenAI charge.
Visit Wavemaker CardsThe facts
| OpenSlug | Wavemaker Cards | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Web | Android, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | openslug.com | wavemakercards.com |
| On writing apps | #76 of 135 | #72 of 135 |
OpenSlug: what it does well
- Industry-standard screenplay formatting
- Unlimited drafts and version snapshots
- Offline operation
- Imports FDX, DOCX, and plain text
- No account required
What to know first
- No cloud sync or remote backup
- Local data can be permanently lost
- Export formats are basic
- Personal, non-commercial license
Wavemaker Cards: what it does well
- Free to use.
- Can run offline as a Progressive Web App.
- Includes planning, research, and Snowflake tools.
- Exports projects as Text or RTF.
What to know first
- Real-time collaboration is not available.
- Installation depends on browser support.
- OpenAI may charge for assistant bot use.
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