Influencer marketing platforms manage creator availability planning through a variety of tools:

1. Profiles: Platforms such as Flinque offer detailed profiles where influencers can share their availability for campaigns, thus reducing conflicts.

2. Shared Calendars: Certain platforms include shared scheduling tools where influencers can mark their availability or busy periods. Colabstr, for example, offers an integrated calendar system.

3. Automated Notifications: Several platforms send automated reminders or notifications to keep influencers informed about their commitments. Tagger Media, for example, uses email alerts for upcoming due dates.

4. Project Management Tools: Platforms like Traackr have built-in project management features that allow agencies to track each stage of a campaign, including influencer commitments, to foresee potential conflicts.

5. Communication Channels: Direct and transparent communication between brands and influencers is key to manage availability. Platforms provide in-built communication tools to make conversations more straightforward. Flinque, for example, fosters direct messaging between brands and influencers.

6. Analytics capabilities: Some platforms analyze past performance to estimate future availability. For example, Klear provides advanced analytics which could be adopted to evaluate the likelihood of an influencer being available depending on their past engagements.

Remember, choosing the right tool depends on your individual needs. All these platforms have their strengths and are developed with different target users in mind. Prioritize understanding your team’s needs and workflows before deciding on an influencer marketing platform.