diff --git a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo.CmsKit.MongoDB.csproj b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo.CmsKit.MongoDB.csproj
index 079112e5b2..7276030327 100644
--- a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo.CmsKit.MongoDB.csproj
+++ b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo.CmsKit.MongoDB.csproj
@@ -11,6 +11,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.MongoDB\Volo.Abp.MongoDB.csproj" />
     <ProjectReference Include="..\Volo.CmsKit.Domain\Volo.CmsKit.Domain.csproj" />
+    <ProjectReference Include="..\..\..\..\modules\users\src\Volo.Abp.Users.MongoDB\Volo.Abp.Users.MongoDB.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbContext.cs b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbContext.cs
index 5587203290..63bf48a14e 100644
--- a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbContext.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbContext.cs
@@ -1,14 +1,20 @@
-using Volo.Abp.Data;
+using MongoDB.Driver;
+using Volo.Abp.Data;
 using Volo.Abp.MongoDB;
+using Volo.CmsKit.Comments;
+using Volo.CmsKit.Reactions;
+using Volo.CmsKit.Users;
 
 namespace Volo.CmsKit.MongoDB
 {
     [ConnectionStringName(CmsKitDbProperties.ConnectionStringName)]
     public class CmsKitMongoDbContext : AbpMongoDbContext, ICmsKitMongoDbContext
     {
-        /* Add mongo collections here. Example:
-         * public IMongoCollection<Question> Questions => Collection<Question>();
-         */
+        public IMongoCollection<Comment> Comments => Collection<Comment>();
+
+        public IMongoCollection<UserReaction> UserReactions => Collection<UserReaction>();
+
+        public IMongoCollection<CmsUser> CmsUsers => Collection<CmsUser>();
 
         protected override void CreateModel(IMongoModelBuilder modelBuilder)
         {
@@ -17,4 +23,4 @@ namespace Volo.CmsKit.MongoDB
             modelBuilder.ConfigureCmsKit();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbModule.cs b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbModule.cs
index b9ce6b7862..c54a1456aa 100644
--- a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbModule.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/CmsKitMongoDbModule.cs
@@ -1,11 +1,19 @@
 using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Modularity;
 using Volo.Abp.MongoDB;
+using Volo.Abp.Users.MongoDB;
+using Volo.CmsKit.Comments;
+using Volo.CmsKit.MongoDB.Comments;
+using Volo.CmsKit.MongoDB.Reactions;
+using Volo.CmsKit.MongoDB.Users;
+using Volo.CmsKit.Reactions;
+using Volo.CmsKit.Users;
 
 namespace Volo.CmsKit.MongoDB
 {
     [DependsOn(
         typeof(CmsKitDomainModule),
+        typeof(AbpUsersMongoDbModule),
         typeof(AbpMongoDbModule)
         )]
     public class CmsKitMongoDbModule : AbpModule
@@ -14,6 +22,9 @@ namespace Volo.CmsKit.MongoDB
         {
             context.Services.AddMongoDbContext<CmsKitMongoDbContext>(options =>
             {
+                options.AddRepository<UserReaction, MongoUserReactionRepository>();
+                options.AddRepository<Comment, MongoCommentRepository>();
+                options.AddRepository<CmsUser, MongoCmsUserRepository>();
                 /* Add custom repositories here. Example:
                  * options.AddRepository<Question, MongoQuestionRepository>();
                  */
diff --git a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Comments/MongoCommentRepository.cs b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Comments/MongoCommentRepository.cs
new file mode 100644
index 0000000000..9af5a72845
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Comments/MongoCommentRepository.cs
@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using MongoDB.Driver.Linq;
+using MongoDB.Driver;
+using Volo.Abp;
+using Volo.Abp.Domain.Repositories.MongoDB;
+using Volo.Abp.MongoDB;
+using Volo.CmsKit.Comments;
+
+namespace Volo.CmsKit.MongoDB.Comments
+{
+    public class MongoCommentRepository : MongoDbRepository<ICmsKitMongoDbContext, Comment, Guid>, ICommentRepository
+    {
+        public MongoCommentRepository(IMongoDbContextProvider<ICmsKitMongoDbContext> dbContextProvider) : base(dbContextProvider)
+        {
+        }
+
+        public async Task<List<CommentWithAuthor>> GetListWithAuthorsAsync(
+            string entityType,
+            string entityId)
+        {
+            Check.NotNullOrWhiteSpace(entityType, nameof(entityType));
+            Check.NotNullOrWhiteSpace(entityId, nameof(entityId));
+
+            var query = from comment in GetMongoQueryable()
+                join user in DbContext.CmsUsers on comment.CreatorId equals user.Id
+                where entityType == comment.EntityType && entityId == comment.EntityId
+                orderby comment.CreationTime
+                select new CommentWithAuthor
+                {
+                    Comment = comment,
+                    Author = user
+                };
+
+            return await query.ToListAsync();
+        }
+
+        public override async Task DeleteAsync(Guid id, bool autoSave = false, CancellationToken cancellationToken = default)
+        {
+            var replies = await GetMongoQueryable()
+                .Where(x => x.RepliedCommentId == id)
+                .ToListAsync(GetCancellationToken(cancellationToken));
+
+            foreach (var reply in replies)
+            {
+                //TODO: Discuss if it is better to mark it as deleted and show in the ui as "This is deleted" instead of deleting it and replies completely
+                await base.DeleteAsync(reply.Id, autoSave, GetCancellationToken(cancellationToken));
+            }
+
+            await base.DeleteAsync(id, autoSave, GetCancellationToken(cancellationToken));
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/ICmsKitMongoDbContext.cs b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/ICmsKitMongoDbContext.cs
index 101efedaa4..16b72c8902 100644
--- a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/ICmsKitMongoDbContext.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/ICmsKitMongoDbContext.cs
@@ -1,13 +1,19 @@
-using Volo.Abp.Data;
+using MongoDB.Driver;
+using Volo.Abp.Data;
 using Volo.Abp.MongoDB;
+using Volo.CmsKit.Comments;
+using Volo.CmsKit.Reactions;
+using Volo.CmsKit.Users;
 
 namespace Volo.CmsKit.MongoDB
 {
     [ConnectionStringName(CmsKitDbProperties.ConnectionStringName)]
     public interface ICmsKitMongoDbContext : IAbpMongoDbContext
     {
-        /* Define mongo collections here. Example:
-         * IMongoCollection<Question> Questions { get; }
-         */
+        IMongoCollection<UserReaction> UserReactions { get; }
+
+        IMongoCollection<Comment> Comments { get; }
+
+        IMongoCollection<CmsUser> CmsUsers { get; }
     }
 }
diff --git a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Reactions/MongoUserReactionRepository.cs b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Reactions/MongoUserReactionRepository.cs
new file mode 100644
index 0000000000..ae3b28766a
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Reactions/MongoUserReactionRepository.cs
@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using MongoDB.Driver;
+using MongoDB.Driver.Linq;
+using Volo.Abp;
+using Volo.Abp.Domain.Repositories.MongoDB;
+using Volo.Abp.MongoDB;
+using Volo.CmsKit.Reactions;
+
+namespace Volo.CmsKit.MongoDB.Reactions
+{
+    public class MongoUserReactionRepository : MongoDbRepository<ICmsKitMongoDbContext, UserReaction, Guid>, IUserReactionRepository
+    {
+        public MongoUserReactionRepository(IMongoDbContextProvider<ICmsKitMongoDbContext> dbContextProvider) : base(dbContextProvider)
+        {
+        }
+
+        public async Task<UserReaction> FindAsync(
+            Guid userId,
+            string entityType,
+            string entityId,
+            string reactionName)
+        {
+            Check.NotNullOrWhiteSpace(entityType, nameof(entityType));
+            Check.NotNullOrWhiteSpace(entityId, nameof(entityId));
+            Check.NotNullOrWhiteSpace(reactionName, nameof(reactionName));
+
+            return await GetMongoQueryable()
+                .Where(x =>
+                    x.CreatorId == userId &&
+                    x.EntityType == entityType &&
+                    x.EntityId == entityId &&
+                    x.ReactionName == reactionName)
+                .FirstOrDefaultAsync();
+        }
+
+        public async Task<List<UserReaction>> GetListForUserAsync(
+            Guid userId,
+            string entityType,
+            string entityId)
+        {
+            Check.NotNullOrWhiteSpace(entityType, nameof(entityType));
+            Check.NotNullOrWhiteSpace(entityId, nameof(entityId));
+
+            return await GetMongoQueryable()
+                .Where(x =>
+                    x.CreatorId == userId &&
+                    x.EntityType == entityType &&
+                    x.EntityId == entityId)
+                .ToListAsync();
+        }
+
+        public async Task<List<ReactionSummaryQueryResultItem>> GetSummariesAsync(
+            string entityType,
+            string entityId)
+        {
+            Check.NotNullOrWhiteSpace(entityType, nameof(entityType));
+            Check.NotNullOrWhiteSpace(entityId, nameof(entityId));
+
+            return await GetMongoQueryable()
+                .Where(x =>
+                    x.EntityType == entityType &&
+                    x.EntityId == entityId)
+                .GroupBy(x => x.ReactionName)
+                .Select(g => new ReactionSummaryQueryResultItem
+                {
+                    ReactionName = g.Key,
+                    Count = g.Count()
+                })
+                .ToListAsync();
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Users/MongoCmsUserRepository.cs b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Users/MongoCmsUserRepository.cs
new file mode 100644
index 0000000000..ed2691a5a8
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Users/MongoCmsUserRepository.cs
@@ -0,0 +1,15 @@
+using Volo.Abp.MongoDB;
+using Volo.Abp.Users.MongoDB;
+using Volo.CmsKit.Users;
+
+namespace Volo.CmsKit.MongoDB.Users
+{
+    public class MongoCmsUserRepository : MongoUserRepositoryBase<ICmsKitMongoDbContext, CmsUser>, ICmsUserRepository
+    {
+        public MongoCmsUserRepository(IMongoDbContextProvider<ICmsKitMongoDbContext> dbContextProvider)
+            : base(dbContextProvider)
+        {
+        }
+
+    }
+}