diff --git a/models/org.go b/models/org.go
index 9908386f0d..b302288ca5 100644
--- a/models/org.go
+++ b/models/org.go
@@ -195,12 +195,19 @@ func CountOrganizations() int64 {
 }
 
 // Organizations returns number of organizations in given page.
-func Organizations(page, pageSize int) ([]*User, error) {
-	orgs := make([]*User, 0, pageSize)
-	return orgs, x.
-		Limit(pageSize, (page-1)*pageSize).
-		Where("type=1").
-		Asc("name").
+func Organizations(opts *SearchUserOptions) ([]*User, error) {
+	orgs := make([]*User, 0, opts.PageSize)
+
+	if len(opts.OrderBy) == 0 {
+		opts.OrderBy = "name ASC"
+	}
+
+	sess := x.
+		Limit(opts.PageSize, (opts.Page-1)*opts.PageSize).
+		Where("type=1")
+
+	return orgs, sess.
+		OrderBy(opts.OrderBy).
 		Find(&orgs)
 }
 
diff --git a/models/repo.go b/models/repo.go
index 05e4f0b510..f6e1af55cd 100644
--- a/models/repo.go
+++ b/models/repo.go
@@ -1105,14 +1105,18 @@ func CountUserRepositories(userID int64, private bool) int64 {
 }
 
 // Repositories returns all repositories
-func Repositories(page, pageSize int) (_ []*Repository, err error) {
-	repos := make([]*Repository, 0, pageSize)
-	return repos, x.Limit(pageSize, (page-1)*pageSize).Asc("id").Find(&repos)
+func Repositories(opts *SearchRepoOptions) (_ []*Repository, err error) {
+	if len(opts.OrderBy) == 0 {
+		opts.OrderBy = "id ASC"
+	}
+
+	repos := make([]*Repository, 0, opts.PageSize)
+	return repos, x.Limit(opts.PageSize, (opts.Page-1)*opts.PageSize).OrderBy(opts.OrderBy).Find(&repos)
 }
 
 // RepositoriesWithUsers returns number of repos in given page.
-func RepositoriesWithUsers(page, pageSize int) (_ []*Repository, err error) {
-	repos, err := Repositories(page, pageSize)
+func RepositoriesWithUsers(opts *SearchRepoOptions) (_ []*Repository, err error) {
+	repos, err := Repositories(opts)
 	if err != nil {
 		return nil, fmt.Errorf("Repositories: %v", err)
 	}
@@ -1565,12 +1569,31 @@ func GetUserMirrorRepositories(userID int64) ([]*Repository, error) {
 }
 
 // GetRecentUpdatedRepositories returns the list of repositories that are recently updated.
-func GetRecentUpdatedRepositories(page, pageSize int) (repos []*Repository, err error) {
-	return repos, x.
-		Limit(pageSize, (page-1)*pageSize).
-		Where("is_private=?", false).
-		Limit(pageSize).
-		Desc("updated_unix").
+func GetRecentUpdatedRepositories(opts *SearchRepoOptions) (repos []*Repository, err error) {
+	if len(opts.OrderBy) == 0 {
+		opts.OrderBy = "updated_unix DESC"
+	}
+
+	sess := x.Where("is_private=?", false).
+		Limit(opts.PageSize, (opts.Page-1)*opts.PageSize).
+		Limit(opts.PageSize)
+
+	if opts.Searcher != nil {
+		sess.Or("owner_id = ?", opts.Searcher.ID)
+
+		err := opts.Searcher.GetOrganizations(true)
+
+		if err != nil {
+			return nil, fmt.Errorf("Organization: %v", err)
+		}
+
+		for _, org := range opts.Searcher.Orgs {
+			sess.Or("owner_id = ?", org.ID)
+		}
+	}
+
+	return repos, sess.
+		OrderBy(opts.OrderBy).
 		Find(&repos)
 }
 
@@ -1587,6 +1610,7 @@ func GetRepositoryCount(u *User) (int64, error) {
 type SearchRepoOptions struct {
 	Keyword  string
 	OwnerID  int64
+	Searcher *User //ID of the person who's seeking
 	OrderBy  string
 	Private  bool // Include private repositories in results
 	Page     int
@@ -1616,6 +1640,25 @@ func SearchRepositoryByName(opts *SearchRepoOptions) (repos []*Repository, _ int
 		sess.And("is_private=?", false)
 	}
 
+	if opts.Searcher != nil {
+
+		sess.Or("owner_id = ?", opts.Searcher.ID)
+
+		err := opts.Searcher.GetOrganizations(true)
+
+		if err != nil {
+			return nil, 0, fmt.Errorf("Organization: %v", err)
+		}
+
+		for _, org := range opts.Searcher.Orgs {
+			sess.Or("owner_id = ?", org.ID)
+		}
+	}
+
+	if len(opts.OrderBy) == 0 {
+		opts.OrderBy = "name ASC"
+	}
+
 	var countSess xorm.Session
 	countSess = *sess
 	count, err := countSess.Count(new(Repository))
@@ -1623,10 +1666,10 @@ func SearchRepositoryByName(opts *SearchRepoOptions) (repos []*Repository, _ int
 		return nil, 0, fmt.Errorf("Count: %v", err)
 	}
 
-	if len(opts.OrderBy) > 0 {
-		sess.OrderBy(opts.OrderBy)
-	}
-	return repos, count, sess.Limit(opts.PageSize, (opts.Page-1)*opts.PageSize).Find(&repos)
+	return repos, count, sess.
+		Limit(opts.PageSize, (opts.Page-1)*opts.PageSize).
+		OrderBy(opts.OrderBy).
+		Find(&repos)
 }
 
 // DeleteRepositoryArchives deletes all repositories' archives.
diff --git a/models/user.go b/models/user.go
index 1b645a5285..803cb3b03e 100644
--- a/models/user.go
+++ b/models/user.go
@@ -641,12 +641,18 @@ func CountUsers() int64 {
 }
 
 // Users returns number of users in given page.
-func Users(page, pageSize int) ([]*User, error) {
-	users := make([]*User, 0, pageSize)
-	return users, x.
-		Limit(pageSize, (page-1)*pageSize).
-		Where("type=0").
-		Asc("name").
+func Users(opts *SearchUserOptions) ([]*User, error) {
+	if len(opts.OrderBy) == 0 {
+		opts.OrderBy = "name ASC"
+	}
+
+	users := make([]*User, 0, opts.PageSize)
+	sess := x.
+		Limit(opts.PageSize, (opts.Page-1)*opts.PageSize).
+		Where("type=0")
+
+	return users, sess.
+		OrderBy(opts.OrderBy).
 		Find(&users)
 }
 
diff --git a/routers/admin/orgs.go b/routers/admin/orgs.go
index 88d88d1c05..eeb9002bc2 100644
--- a/routers/admin/orgs.go
+++ b/routers/admin/orgs.go
@@ -27,7 +27,6 @@ func Organizations(ctx *context.Context) {
 		Counter:  models.CountOrganizations,
 		Ranger:   models.Organizations,
 		PageSize: setting.UI.Admin.OrgPagingNum,
-		OrderBy:  "id ASC",
 		TplName:  tplOrgs,
 	})
 }
diff --git a/routers/admin/repos.go b/routers/admin/repos.go
index 86a9ea9405..f2f402db76 100644
--- a/routers/admin/repos.go
+++ b/routers/admin/repos.go
@@ -28,7 +28,6 @@ func Repos(ctx *context.Context) {
 		Ranger:   models.Repositories,
 		Private:  true,
 		PageSize: setting.UI.Admin.RepoPagingNum,
-		OrderBy:  "owner_id ASC, name ASC, id ASC",
 		TplName:  tplRepos,
 	})
 }
diff --git a/routers/admin/users.go b/routers/admin/users.go
index fa61a46938..782012d95d 100644
--- a/routers/admin/users.go
+++ b/routers/admin/users.go
@@ -35,7 +35,6 @@ func Users(ctx *context.Context) {
 		Counter:  models.CountUsers,
 		Ranger:   models.Users,
 		PageSize: setting.UI.Admin.UserPagingNum,
-		OrderBy:  "id ASC",
 		TplName:  tplUsers,
 	})
 }
diff --git a/routers/home.go b/routers/home.go
index 3b51148762..d3c48f7aae 100644
--- a/routers/home.go
+++ b/routers/home.go
@@ -55,10 +55,10 @@ func Home(ctx *context.Context) {
 // RepoSearchOptions when calling search repositories
 type RepoSearchOptions struct {
 	Counter  func(bool) int64
-	Ranger   func(int, int) ([]*models.Repository, error)
+	Ranger   func(*models.SearchRepoOptions) ([]*models.Repository, error)
+	Searcher *models.User
 	Private  bool
 	PageSize int
-	OrderBy  string
 	TplName  base.TplName
 }
 
@@ -78,14 +78,36 @@ func RenderRepoSearch(ctx *context.Context, opts *RepoSearchOptions) {
 	}
 
 	var (
-		repos []*models.Repository
-		count int64
-		err   error
+		repos   []*models.Repository
+		count   int64
+		err     error
+		orderBy string
 	)
+	ctx.Data["SortType"] = ctx.Query("sort")
+
+	switch ctx.Query("sort") {
+	case "oldest":
+		orderBy = "created_unix ASC"
+	case "recentupdate":
+		orderBy = "updated_unix DESC"
+	case "leastupdate":
+		orderBy = "updated_unix ASC"
+	case "reversealphabetically":
+		orderBy = "name DESC"
+	case "alphabetically":
+		orderBy = "name ASC"
+	default:
+		orderBy = "created_unix DESC"
+	}
 
 	keyword := ctx.Query("q")
 	if len(keyword) == 0 {
-		repos, err = opts.Ranger(page, opts.PageSize)
+		repos, err = opts.Ranger(&models.SearchRepoOptions{
+			Page:     page,
+			PageSize: opts.PageSize,
+			Searcher: ctx.User,
+			OrderBy:  orderBy,
+		})
 		if err != nil {
 			ctx.Handle(500, "opts.Ranger", err)
 			return
@@ -95,10 +117,11 @@ func RenderRepoSearch(ctx *context.Context, opts *RepoSearchOptions) {
 		if isKeywordValid(keyword) {
 			repos, count, err = models.SearchRepositoryByName(&models.SearchRepoOptions{
 				Keyword:  keyword,
-				OrderBy:  opts.OrderBy,
+				OrderBy:  orderBy,
 				Private:  opts.Private,
 				Page:     page,
 				PageSize: opts.PageSize,
+				Searcher: ctx.User,
 			})
 			if err != nil {
 				ctx.Handle(500, "SearchRepositoryByName", err)
@@ -131,7 +154,7 @@ func ExploreRepos(ctx *context.Context) {
 		Counter:  models.CountRepositories,
 		Ranger:   models.GetRecentUpdatedRepositories,
 		PageSize: setting.UI.ExplorePagingNum,
-		OrderBy:  "updated_unix DESC",
+		Searcher: ctx.User,
 		TplName:  tplExploreRepos,
 	})
 }
@@ -140,9 +163,8 @@ func ExploreRepos(ctx *context.Context) {
 type UserSearchOptions struct {
 	Type     models.UserType
 	Counter  func() int64
-	Ranger   func(int, int) ([]*models.User, error)
+	Ranger   func(*models.SearchUserOptions) ([]*models.User, error)
 	PageSize int
-	OrderBy  string
 	TplName  base.TplName
 }
 
@@ -154,14 +176,35 @@ func RenderUserSearch(ctx *context.Context, opts *UserSearchOptions) {
 	}
 
 	var (
-		users []*models.User
-		count int64
-		err   error
+		users   []*models.User
+		count   int64
+		err     error
+		orderBy string
 	)
 
+	ctx.Data["SortType"] = ctx.Query("sort")
+	//OrderBy:  "id ASC",
+	switch ctx.Query("sort") {
+	case "oldest":
+		orderBy = "id ASC"
+	case "recentupdate":
+		orderBy = "updated_unix DESC"
+	case "leastupdate":
+		orderBy = "updated_unix ASC"
+	case "reversealphabetically":
+		orderBy = "name DESC"
+	case "alphabetically":
+		orderBy = "name ASC"
+	default:
+		orderBy = "id DESC"
+	}
+
 	keyword := ctx.Query("q")
 	if len(keyword) == 0 {
-		users, err = opts.Ranger(page, opts.PageSize)
+		users, err = opts.Ranger(&models.SearchUserOptions{OrderBy: orderBy,
+			Page:     page,
+			PageSize: opts.PageSize,
+		})
 		if err != nil {
 			ctx.Handle(500, "opts.Ranger", err)
 			return
@@ -172,7 +215,7 @@ func RenderUserSearch(ctx *context.Context, opts *UserSearchOptions) {
 			users, count, err = models.SearchUserByName(&models.SearchUserOptions{
 				Keyword:  keyword,
 				Type:     opts.Type,
-				OrderBy:  opts.OrderBy,
+				OrderBy:  orderBy,
 				Page:     page,
 				PageSize: opts.PageSize,
 			})
@@ -201,7 +244,6 @@ func ExploreUsers(ctx *context.Context) {
 		Counter:  models.CountUsers,
 		Ranger:   models.Users,
 		PageSize: setting.UI.ExplorePagingNum,
-		OrderBy:  "name ASC",
 		TplName:  tplExploreUsers,
 	})
 }
@@ -217,7 +259,6 @@ func ExploreOrganizations(ctx *context.Context) {
 		Counter:  models.CountOrganizations,
 		Ranger:   models.Organizations,
 		PageSize: setting.UI.ExplorePagingNum,
-		OrderBy:  "name ASC",
 		TplName:  tplExploreOrganizations,
 	})
 }
diff --git a/templates/admin/base/search.tmpl b/templates/admin/base/search.tmpl
index 22634354b8..9e450ee367 100644
--- a/templates/admin/base/search.tmpl
+++ b/templates/admin/base/search.tmpl
@@ -1,4 +1,21 @@
-<form class="ui form">
+<div class="ui right floated secondary filter menu">
+<!-- Sort -->
+	<div class="ui dropdown type jump item">
+		<span class="text">
+			{{.i18n.Tr "repo.issues.filter_sort"}}
+			<i class="dropdown icon"></i>
+		</span>
+		<div class="menu">
+			<a class="{{if or (eq .SortType "oldest") (not .SortType)}}active{{end}} item" href="{{$.Link}}?sort=oldest&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.latest"}}</a>
+			<a class="{{if eq .SortType "newest"}}active{{end}} item" href="{{$.Link}}?sort=newest&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.oldest"}}</a>
+			<a class="{{if eq .SortType "alphabetically"}}active{{end}} item" href="{{$.Link}}?sort=alphabetically&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.label.filter_sort.alphabetically"}}</a>
+			<a class="{{if eq .SortType "reversealphabetically"}}active{{end}} item" href="{{$.Link}}?sort=reversealphabetically&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.label.filter_sort.reverse_alphabetically"}}</a>
+			<a class="{{if eq .SortType "recentupdate"}}active{{end}} item" href="{{$.Link}}?sort=recentupdate&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.recentupdate"}}</a>
+			<a class="{{if eq .SortType "leastupdate"}}active{{end}} item" href="{{$.Link}}?sort=leastupdate&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.leastupdate"}}</a>
+		</div>
+	</div>
+</div>
+<form class="ui form"  style="max-width: 90%">
 	<div class="ui fluid action input">
 	  <input name="q" value="{{.Keyword}}" placeholder="{{.i18n.Tr "explore.search"}}..." autofocus>
 	  <button class="ui blue button">{{.i18n.Tr "explore.search"}}</button>
diff --git a/templates/explore/search.tmpl b/templates/explore/search.tmpl
index 8d91f31504..51c2a6908e 100644
--- a/templates/explore/search.tmpl
+++ b/templates/explore/search.tmpl
@@ -1,4 +1,21 @@
-<form class="ui form">
+<div class="ui right floated secondary filter menu">
+<!-- Sort -->
+	<div class="ui dropdown type jump item">
+		<span class="text">
+			{{.i18n.Tr "repo.issues.filter_sort"}}
+			<i class="dropdown icon"></i>
+		</span>
+		<div class="menu">
+			<a class="{{if or (eq .SortType "newest") (not .SortType)}}active{{end}} item" href="{{$.Link}}?sort=newest&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.latest"}}</a>
+			<a class="{{if eq .SortType "oldest"}}active{{end}} item" href="{{$.Link}}?sort=oldest&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.oldest"}}</a>
+			<a class="{{if eq .SortType "alphabetically"}}active{{end}} item" href="{{$.Link}}?sort=alphabetically&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.label.filter_sort.alphabetically"}}</a>
+			<a class="{{if eq .SortType "reversealphabetically"}}active{{end}} item" href="{{$.Link}}?sort=reversealphabetically&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.label.filter_sort.reverse_alphabetically"}}</a>
+			<a class="{{if eq .SortType "recentupdate"}}active{{end}} item" href="{{$.Link}}?sort=recentupdate&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.recentupdate"}}</a>
+			<a class="{{if eq .SortType "leastupdate"}}active{{end}} item" href="{{$.Link}}?sort=leastupdate&q={{$.Keyword}}">{{.i18n.Tr "repo.issues.filter_sort.leastupdate"}}</a>
+		</div>
+	</div>
+</div>
+<form class="ui form" style="max-width: 90%">
 	<div class="ui fluid action input">
 	  <input name="q" value="{{.Keyword}}" placeholder="{{.i18n.Tr "explore.search"}}..." autofocus>
 	  <button class="ui blue button">{{.i18n.Tr "explore.search"}}</button>