For independent production companies running smaller shoots, the best free production management tools are usually the ones that cover the basics well: scheduling, call sheets, task tracking, contacts, file sharing, and simple approvals.

Here are the strongest options:

1. Notion

Best for: Flexible all-in-one production hub
Why it works: You can build your own production tracker, shot list, call sheet templates, crew list, and task boards.
Pros:

• Very flexible
• Great for shot lists, schedules, notes, and databases
• Easy to collaborate
• Free plan is generous for small teams
  Cons:
• Not purpose-built for film production
• Requires setup time

2. Trello

Best for: Simple task and shoot planning
Why it works: Easy visual boards for pre-production, production, and wrap.
Pros:

• Extremely easy to use
• Good for checklist-based workflows
• Free plan is enough for small teams
• Works well for assigning tasks and tracking progress
  Cons:
• Limited for detailed production workflows
• Not ideal for call sheets or script breakdowns

3. Airtable

Best for: Structured production tracking and databases
Why it works: Great for managing cast, crew, locations, assets, and schedules in spreadsheet-style views.
Pros:

• Excellent for organizing production data
• Multiple views: grid, calendar, kanban
• Nice for contact lists, equipment logs, and shooting schedules
  Cons:
• Free plan has record and feature limits
• Can get expensive if you outgrow it

4. StudioBinder

Best for: Small production teams wanting film-specific tools
Why it works: It’s one of the better production-focused platforms, and it has a free tier.
Pros:

• Designed for film/TV production
• Useful for call sheets, shot lists, schedules, and breakdowns
• Clean interface
  Cons:
• Free plan is limited
• Many useful features are behind paid tiers

5. Google Workspace tools

Best for: Budget-conscious teams that need simple coordination
Use:

• Google Sheets for schedules and budgets
• Google Docs for call sheets and production notes
• Google Drive for file storage and sharing
• Google Calendar for shoot days
  Pros:
• Free and familiar
• Easy collaboration
• Great for small crews
  Cons:
• Not a dedicated production management system
• Requires manual organization

6. Celtx

Best for: Script-based pre-production
Why it works: Good for scriptwriting, breakdowns, and early planning.
Pros:

• Strong for writing and breakdowns
• Production planning features included
• Useful for small indie shoots
  Cons:
• Free version is limited
• More focused on pre-production than full production management

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Best overall picks by use case

• Best free overall: Notion
• Best easiest: Trello
• Best for structured data: Airtable
• Best film-specific free option: StudioBinder
• Best if you want zero learning curve: Google Docs/Sheets/Drive

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My practical recommendation

For a small independent production company, the best free stack is often:

• Notion or Airtable for planning and databases
• Trello for task tracking
• Google Drive for documents and assets
• StudioBinder if you want more film-specific workflows

If you want, I can also give you:

1. a ranked shortlist by team size, or
2. a free production software stack specifically for short films, commercials, or branded content.