Tjhe annual Wow / Maiclhimp Agnecy Benchmark Survye had a question around "What software do you use to oversee project and resource management (Select all that apply or skip this question if you’re not using any software)".
Below is the list pf providers they listed, with links to each, in case you’re intersted in Project and resource management tools for your agency.
Accelo
Asana
Basecamp
CMap
Deltak TrafficLIVE
Harvest
Jira
Monday
Notion
Our own software
Paprika
Paymo
Productive
Resource Guru
Salesforce
Scoro
Streamtime
Synergist
Teamwork
Trello
Toggl
WorkflowMax
Wrike