Dynamics 365 Workflow Tools has been developed by Demian Raschovan – you can find more information on his GitHub page https://github.com/demianrasko/Dynamics-365-Workflow-Tools and from there you will be able to see a link to download it.
In summary Dynamics 365 Workflow Tools is a Community solution that expands Microsoft Dynamics 365 (CRM) Workflow features with lots of new posibilities. This helps you to build very advanced Codeless solutions in CRM (although more items may have been added after writing this)
1: Force Calculate Rollup Field
2: Apply Routing Rules
3: Query Values
4: Share Record With Team
5: Share Record With User
6: Unshare Record With Team
7: Unshare Record With User
8: Check If User is in Role
9: Check If User is in Team
10: Add To Marketing List
11: Remove From Marketing List
12: Clone Children – Thanks to Marco Amoedo
13: Clone Record
14: Set Process
15: Rollup Functions
16: Entity Attachment To Email
17: Pick From Queue
18: Queue Item Count
19: Add Role To User
20: Add Role To Team
21: Remove Role From User
22: Remove Role From Team
23: Set User Settings
24: String Functions
25: Delete Record
26: Entity Json Serializer
27: Qualify Lead
28: Add Marketing List To Campaign – Thanks to Mitch Milam
29: Copy Marketing List Members – Thanks to Mitch Milam
30: Copy To Static List – Thanks to Mitch Milam
31: Is Member Of Marketing List – Thanks to Mitch Milam
32: Remove From All Marketing Lists – Thanks to Mitch Milam
33: Numeric Functions
34: Email To Team
35: Set Process Stage – Thanks to Pablo Peralta
36: Entity Mobile Deep Link – Thanks to Jerry Weinstock
37: Send Email – Thanks to George Doubinski
38: Geocode Address
39: Add User To Team
40: Remove User From Team
41: Associate Entity
42: Goal Recalculate
43: Get Initiating User
44: Encrypt Text
45: Check Associate Entity
46: Set State
47: Update Child Records
48: Disassociate Entity
49: Insert Option Value
50: Delete Option Value
51: Sales Literature To Email
52: Send Email From Template To Users In Role
53: Send Email To Users In Role
54: Calculate Price
55: Execute Workflow By ID Thanks to Steve Mordue
56: JSON Parser – Thanks to Ben Vollmer
57: Date Functions
58: Calculate Agregate Date Thanks to Ariel
59: OrgDBSetting Update Thanks to Pablo Peralta
60: OrgDBSetting Retrieve Thanks to Pablo Peralta
61: Translate Text
62: Currency Convert
63: Get Record ID
64: Retrieve User’s BU Default Team
65: Get App Module ID Thanks to Brent Howard
66: Get App Record Url Thanks to Brent Howard
67: Is Member Of Team Thanks to Brent Howard
68: Count Child Entity Record Thanks to Ravi Kashyap
69: Get Multi Select OptionSet Thanks to Ramon Tebar
70: Map Multi Select OptionSet Thanks to Ramon Tebar
71: Set Multi Select Option Set Thanks to Ramon Tebar
72: Delete Record Audit History
73: Concatenate from Query Thanks To Raj
To go back to my ‘index of workflow tools’ have a look at my blog which can be found here