A list of useful tools for Microsoft Identity Manager, the honor goes to the linked publishers of these tools. There are many managenet agents I can't list all of them, the focus here is on tools. Nevertheless, there is an area for generic management agents.

Portal Workflow Activities

https://github.com/Microsoft/MIMWAL

MIM Sync und Portal Documentation, Configuration moves between environments

https://github.com/Microsoft/MIMConfigDocumenter

Sync Engine Exports to CSV and XML (e.g. Pending Export / Changes), great for reports before running a crucial export.

https://github.com/FIMTooler/csReporter

Helper utility to selectively apply changes between two MIM environments.

https://github.com/pieceofsummer/FIMDelta

Sync Engine Run Cycle Software (Based on cycles or events)

https://github.com/lithnet/miis-autosync

MIM Sync Engine PowerShell Module

https://github.com/lithnet/miis-powershell

PowerShell Module for MIM Service / Portal

https://github.com/lithnet/resourcemanagement-powershell

Rest API for FIM/MIM Service

https://github.com/lithnet/resourcemanagement-webservice

MIM Best Practice Checker

http://www.ingallsdesigns.com/downloads.html

MRE for provisioning: https://github.com/sorengranfeldt/mre

UMARE for transforms: https://github.com/lithnet/umare

ACMA for attribute creation: https://github.com/lithnet/acma

Powershell Management Agent for FIM2010 and MIM2016 from Søren Granfeldt

https://github.com/sorengranfeldt/psma

Microsoft provides a collective download for its connectors which includes:

1. Graph
2. Generic LDAP
3. Generic SQL
4. Web Services
5. PowerShell

https://docs.microsoft.com/en-us/microsoft-identity-manager/reference/microsoft-identity-manager-2016-developer-reference (Select Connectors)

https://www.microsoft.com/en-us/download/details.aspx?id=51495