diff --git a/models/lessons.go b/models/lessons.go
new file mode 100644
index 0000000..2afc0a1
--- /dev/null
+++ b/models/lessons.go
@@ -0,0 +1,25 @@
+package models
+
+import "time"
+
+type Lesson struct {
+	Id             string `gorm:"primaryKey;type:varchar(36)"`
+	OrganizationId string `gorm:"type:varchar(36)"`
+	State          uint8  `gorm:"type:tinyint(1)"`
+	Title          string `gorm:"type:varchar(255)"`
+	ThumbnailUrl   string `gorm:"type:varchar(255)"`
+	CreatorUserId  string `gorm:"type:varchar(36)"`
+	CreatedAt      time.Time
+	UpdatedAt      time.Time
+}
+
+type LessonContent struct {
+	Id        string `gorm:"primaryKey;type:varchar(36)"`
+	LessonId  string `gorm:"type:varchar(36)"`
+	Page      uint16 `gorm:"type:smallint(5)"` // Page number
+	Position  uint16 `gorm:"type:smallint(5)"` // Position on the page
+	Type      uint8  // Type of content, like text, image, video, etc
+	Data      string `gorm:"type:text"`
+	CreatedAt time.Time
+	UpdatedAt time.Time
+}
diff --git a/models/questions.go b/models/questions.go
new file mode 100644
index 0000000..788e9f7
--- /dev/null
+++ b/models/questions.go
@@ -0,0 +1,38 @@
+package models
+
+import "time"
+
+type Question struct {
+	Id            string `gorm:"primaryKey;type:varchar(36)"`
+	LessonId      string `gorm:"type:varchar(36)"`
+	Question      string `gorm:"type:text"`
+	Likes         uint16 `gorm:"type:smallint(5)"`
+	CreatorUserId string `gorm:"type:varchar(36)"`
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+}
+
+type QuestionLike struct {
+	Id            string `gorm:"primaryKey;type:varchar(36)"`
+	QuestionId    string `gorm:"type:varchar(36)"`
+	CreatorUserId string `gorm:"type:varchar(36)"`
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+}
+
+type QuestionReply struct {
+	Id            string `gorm:"primaryKey;type:varchar(36)"`
+	QuestionId    string `gorm:"type:varchar(36)"`
+	Reply         string `gorm:"type:text"`
+	CreatorUserId string `gorm:"type:varchar(36)"`
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+}
+
+type QuestionReplyLike struct {
+	Id              string `gorm:"primaryKey;type:varchar(36)"`
+	QuestionReplyId string `gorm:"type:varchar(36)"`
+	CreatorUserId   string `gorm:"type:varchar(36)"`
+	CreatedAt       time.Time
+	UpdatedAt       time.Time
+}
diff --git a/models/roles.go b/models/roles.go
new file mode 100644
index 0000000..a0ecddb
--- /dev/null
+++ b/models/roles.go
@@ -0,0 +1,14 @@
+package models
+
+type Role struct {
+	Id             string `gorm:"primaryKey;type:varchar(36)"`
+	OrganizationId string `gorm:"type:varchar(36)"`
+	Master         bool   `gorm:"type:tinyint(1)"`
+	Name           string `gorm:"type:varchar(255)"`
+}
+
+type RolePermission struct {
+	Id         string `gorm:"primaryKey;type:varchar(36)"`
+	RoleId     string `gorm:"type:varchar(36)"`
+	Permission uint16 `gorm:"type:smallint"`
+}
diff --git a/models/users.go b/models/users.go
new file mode 100644
index 0000000..a2b518e
--- /dev/null
+++ b/models/users.go
@@ -0,0 +1,31 @@
+package models
+
+import "time"
+
+type User struct {
+	Id                string `gorm:"primaryKey;type:varchar(36)"`
+	OrganizationId    string `gorm:"type:varchar(36)"`
+	State             uint8  `gorm:"type:tinyint(1)"`
+	Active            bool   `gorm:"type:tinyint(1)"`
+	RoleId            string `gorm:"type:varchar(36)"`
+	FirstName         string `gorm:"type:varchar(255)"`
+	LastName          string `gorm:"type:varchar(255)"`
+	Email             string `gorm:"type:varchar(255)"`
+	Password          string `gorm:"type:varchar(255)"`
+	ProfilePictureUrl string `gorm:"type:varchar(255)"`
+	LastOnlineAt      time.Time
+	CreatedAt         time.Time
+	UpdatedAt         time.Time
+}
+
+type UserSession struct {
+	Id             string `gorm:"primaryKey;type:varchar(36)"`
+	UserId         string `gorm:"type:varchar(36)"`
+	OrganizationId string `gorm:"type:varchar(36)"`
+	Session        string `gorm:"type:varchar(36)"`
+	UserAgent      string `gorm:"type:varchar(255)"`
+	ExpiresAt      time.Time
+	LastUsedAt     time.Time
+	CreatedAt      time.Time
+	UpdatedAt      time.Time
+}