The best alternatives to JobAider are Azendoo, HiveFlux, and Teamwork. If these 3 options don't work for you, we've listed a few more alternatives below.
Teamwork is an Irish, privately owned, developer-led web-based company headquartered in Cork, Ireland. Teamwork creates task management and team collaboration software, and its three main products relate to project-management, customer support, and real-time internal communications.