diff --git a/rejectedlist.toml b/rejectedlist.toml
new file mode 100644
index 00000000..31c87b4d
--- /dev/null
+++ b/rejectedlist.toml
@@ -0,0 +1,212 @@
+[sillytavern]
+name = "SillyTavern"
+description = "LLM Frontend for power users"
+upstream = "https://github.com/SillyTavern/SillyTavern"
+website = "https://sillytavern.app/"
+reason = "Based on a LLM"
+
+[e621-image-hosting]
+name = "e621 image hosting"
+description = "An Imageboard with a heavy focus on tagging and searchability"
+upstream = "https://github.com/e621ng/e621ng"
+website = ""
+reason = "Docker-compose mess"
+
+[photo-sphere-viewer]
+name = "Photo Sphere Viewer"
+description = "A JavaScript library to display 360° sphere panoramas. Very customizable."
+upstream = "https://github.com/mistic100/Photo-Sphere-Viewer"
+website = "https://photo-sphere-viewer.js.org/"
+reason = "Just a library, can be integrated in a My Webapp"
+
+[minecraft-bedrock-server]
+name = "Minecraft Bedrock Server"
+description = "This allows you to host your own world server on Minecraft Bedrock Edition."
+upstream = "https://github.com/TheRemote/MinecraftBedrockServer"
+website = "https://jamesachambers.com/minecraft-bedrock-edition-ubuntu-dedicated-server-guide/"
+reason = "MineCraft is not free, whatever its flavour"
+
+[kirbycms]
+name = "KirbyCMS"
+description = "Kirby: the CMS that adapts to any project, loved by developers and editors alike."
+upstream = "https://github.com/getkirby/kirby"
+website = "https://getkirby.com/"
+reason = "Not free"
+
+[coolify]
+name = "Coolify"
+description = "Alternative à Vercel"
+upstream = "https://github.com/coollabsio/coolify"
+website = "https://coolify.io/"
+reason = "Does not make sense to integrate in YunoHost, and most likely incompatible anyways"
+
+[chatmail]
+name = "chatmail"
+description = "Deltachat server"
+upstream = "https://github.com/deltachat/chatmail"
+website = "https://delta.chat/en/2023-12-13-chatmail"
+reason = "YunoHost already integrates a mail server"
+
+[stalwart-mail-server]
+name = "Stalwart Mail Server"
+description = "Modern All-in-One Mail Server (IMAP, JMAP, SMTP) written in Rust."
+upstream = "https://github.com/stalwartlabs/mail-server"
+website = "https://stalw.art"
+reason = "YunoHost already integrates a mail server"
+
+[retronas]
+name = "RetroNAS"
+description = "It allows you to store ROMs and sync to different consoles with networking connecting."
+upstream = "https://github.com/retronas/retronas"
+website = ""
+reason = "Big scary security warning in the app's README"
+
+[quakejs]
+name = "QuakeJS"
+description = "QuakeJS allows you to play Quake III Arena Multiplayer on Web Browser using JavaScript."
+upstream = "https://github.com/inolen/quakejs"
+website = "http://www.quakejs.com/"
+reason = "Unmaintained project"
+
+[speckle-server]
+name = "Speckle Server"
+description = "Data infrastructure for the AEC industry."
+upstream = "https://github.com/specklesystems/speckle-server"
+website = "https://speckle.systems/"
+reason = "Too niche of a use case, and no Docker-less install options"
+
+[graphite]
+name = "Graphite"
+description = "Création non destructive d'image"
+upstream = "https://github.com/GraphiteEditor/Graphite"
+website = "https://graphite.rs/"
+reason = "No self-hosting documentation"
+
+[affine]
+name = "Affine"
+description = "Wiki, écriture de document, Mindmap, Moodboard, un melting polt d'outil pour créer divers document."
+upstream = "https://github.com/toeverything/AFFiNE"
+website = "https://affine.pro/"
+reason = "Unclear license and too big of a framework"
+
+
+[authentik]
+name = "authentik"
+description = "Replace Active Directory, Okta and Auth0. Supports OIDC, SAML, LDAP, SCIM, Radius, and Proxy."
+upstream = "https://github.com/goauthentik/authentik"
+website = "https://goauthentik.io/"
+reason = "YunoHost already integrates a SSO, it will conflict."
+
+[mirlo]
+name = "Mirlo"
+description = "Mirlo provides a user-friendly space to help musicians sell music, manage subscriptions, and share w"
+upstream = "https://github.com/funmusicplace/mirlo/"
+website = ""
+reason = "Too big of a Docker-compose mess"
+
+[h5p]
+name = "H5P"
+description = "This collection of tools aim to creates interactive exercices for learning purposes."
+upstream = "https://github.com/h5p"
+website = "https://h5p.org/"
+reason = "The tools are spread across too many repos, making packaging difficult"
+
+[gophish]
+name = "Gophish"
+description = "Phishing toolkit for security awareness training and penetration testers"
+upstream = "https://github.com/gophish/gophish"
+website = "https://getgophish.com"
+reason = "Too niche of a use case"
+
+[pdftochat]
+name = "PDFTOCHAT"
+description = "Chat with your PDFs in seconds. Powered by Together AI and Pinecone."
+upstream = "https://github.com/Nutlope/pdftochat"
+website = "https://www.pdftochat.com/"
+reason = "whatthefuck.gif, also AI"
+
+[jam]
+name = "Jam"
+description = "With Jam you can create audio rooms that can be used for panel discussions, jam sessions, ..."
+upstream = "https://github.com/jam-systems/jam"
+website = "https://jam.systems/"
+reason = "Unmaintained"
+
+[bluesky-pds]
+name = "Bluesky PDS"
+description = "Personal Data Server for Bluesky, federated social network based on the AT protocol."
+upstream = "https://github.com/bluesky-social/pds"
+website = "https://bsky.social/about"
+reason = "One of the principles at the heart of the YunoHost project is to be a modest counterweight to GAFAM and surveillance capitalism, [...] [not to] provide a ready-to-use tool to our users to be part of it directly"
+
+[anysync]
+name = "AnySync"
+description = "Allows sync between devices for Aytype."
+upstream = "https://github.com/anyproto/any-sync"
+website = "https://anytype.io/"
+reason = "Clients are not totally free"
+
+[dub]
+name = "dub"
+description = "Open-source link management infrastructure."
+upstream = "https://github.com/dubinc/dub"
+website = "https://dub.co"
+reason = "Tracking system, against YunoHost core values"
+
+[maybe]
+name = "Maybe"
+description = "The OS for your personal finances"
+upstream = "https://github.com/maybe-finance/maybe"
+website = "https://hello.maybe.co"
+reason = "Surely not ready for self-hosting"
+
+[osclass]
+name = "Osclass"
+description = "Classifieds website"
+upstream = "https://github.com/osclass/Osclass"
+website = "https://osclass-classifieds.com"
+reason = "Unmaintained"
+
+[opentalk]
+name = "OpenTalk"
+description = "German developed, modern, conferencing tool running in browser alone."
+upstream = "https://gitlab.opencode.de/opentalk"
+website = "https://opentalk.eu/en"
+reason = "Looks unpackageable"
+
+[verdaccio]
+name = "Verdaccio"
+description = "Locally managed backup & proxy for npm package registry."
+upstream = "https://github.com/verdaccio/verdaccio"
+website = "https://verdaccio.org/"
+reason = "Too niche of a use case"
+
+[tabula]
+name = "Tabula"
+description = "Extract tables from PDF; single executable .jar on 127.0.0.1.\r\rComparable to Excalibur, I think."
+upstream = "https://github.com/tabulapdf/tabula"
+website = "https://tabula.technology/"
+reason = "Unmaintained"
+
+[llamafile]
+name = "Llamafile"
+description = "Single file LLMs from Mozilla Innovation Projects, that will run locally on any available processors"
+upstream = "https://github.com/Mozilla-Ocho/llamafile"
+website = "https://hacks.mozilla.org/2023/11/introducing-llamafile/"
+reason = "Not packageable as is, it is a binary tool for other apps"
+
+
+[fastchat]
+name = "FastChat"
+description = "- open platform for LLM chatbots incl training, evaluating, & serving via openai-compatible APIs."
+upstream = "https://github.com/lm-sys/FastChat"
+website = "https://chat.lmsys.org/"
+reason = "YunoHost packagers do not wish to promote AI, and training AIs is not lean"
+
+[slidge]
+name = "Slidge"
+description = "XMPP (puppeteer) gateway library to other instant messenger platforms/protocols."
+upstream = "https://sr.ht/~nicoco/slidge/sources"
+website = "https://sr.ht/~nicoco/slidge/"
+reason = "This is only a library, so not packageable as is"
+
diff --git a/store/app.py b/store/app.py
index caac4278..4d19d2dc 100644
--- a/store/app.py
+++ b/store/app.py
@@ -364,6 +364,24 @@ def add_to_wishlist():
                 ),
             )
 
+        rejectedlist_rawtoml = repo.get_contents(
+            "rejectedlist.toml", ref=repo.default_branch
+        )
+        rejectedlist_rawtoml = rejectedlist_rawtoml.decoded_content.decode()
+        rejectedlist = tomlkit.loads(rejectedlist_rawtoml)
+
+        for rejectedslug, rejectedinfo in rejectedlist.items():
+            if upstream.strip("/ ") in rejectedinfo["upstream"]:
+                return render_template(
+                    "wishlist_add.html",
+                    csrf_token=csrf_token,
+                    successmsg=None,
+                    errormsg=_(
+                        "We're sorry, but this app is listed among the already declined apps. The specified reason is:<br /><q>%(reason)s</q>",
+                        reason=rejectedinfo["reason"],
+                    ),
+                )
+
         app_catalog = get_catalog()["apps"]
 
         if slug in app_catalog:
diff --git a/tools/webhooks/webhook.py b/tools/webhooks/webhook.py
index e310a98f..725420fa 100755
--- a/tools/webhooks/webhook.py
+++ b/tools/webhooks/webhook.py
@@ -10,6 +10,7 @@ import tempfile
 import aiohttp
 import logging
 from pathlib import Path
+import re
 
 from typing import Optional
 from git import Actor, Repo, GitCommandError
@@ -116,44 +117,58 @@ def on_push(request: Request) -> HTTPResponse:
     repository = data["repository"]["full_name"]
     branch = data["ref"].split("/", 2)[2]
 
-    logging.info(f"{repository} -> branch '{branch}'")
+    if repository.startswith("YunoHost-Apps/"):
 
-    need_push = False
-    with tempfile.TemporaryDirectory() as folder_str:
-        folder = Path(folder_str)
-        repo = Repo.clone_from(
-            f"https://{github_login()}:{github_token()}@github.com/{repository}",
-            to_path=folder,
-        )
+        logging.info(f"{repository} -> branch '{branch}'")
 
-        # First rebase the testing branch if possible
-        if branch in ["master", "testing"]:
-            result = git_repo_rebase_testing_fast_forward(repo)
+        need_push = False
+        with tempfile.TemporaryDirectory() as folder_str:
+            folder = Path(folder_str)
+            repo = Repo.clone_from(
+                f"https://{github_login()}:{github_token()}@github.com/{repository}",
+                to_path=folder,
+            )
+
+            # First rebase the testing branch if possible
+            if branch in ["master", "testing"]:
+                result = git_repo_rebase_testing_fast_forward(repo)
+                need_push = need_push or result
+
+            repo.git.checkout(branch)
+            result = generate_and_commit_readmes(repo)
             need_push = need_push or result
 
-        repo.git.checkout(branch)
-        result = generate_and_commit_readmes(repo)
-        need_push = need_push or result
+            if not need_push:
+                logging.debug("nothing to do")
+                return response.text("nothing to do")
 
-        if not need_push:
-            logging.debug("nothing to do")
-            return response.text("nothing to do")
+            logging.debug(f"Pushing {repository}")
+            repo.remote().push(quiet=False, all=True)
 
-        logging.debug(f"Pushing {repository}")
-        repo.remote().push(quiet=False, all=True)
-
-    return response.text("ok")
+        return response.text("ok")
 
 
 def on_pr_comment(request: Request, pr_infos: dict) -> HTTPResponse:
     body = request.json["comment"]["body"].strip()[:100].lower()
 
     # Check the comment contains proper keyword trigger
+
     BUMP_REV_COMMANDS = ["!bump", "!new_revision", "!newrevision"]
     if any(trigger.lower() in body for trigger in BUMP_REV_COMMANDS):
         bump_revision(request, pr_infos)
         return response.text("ok")
 
+    REJECT_WISHLIST_COMMANDS = ["!reject", "!nope"]
+    if any(trigger.lower() in body for trigger in REJECT_WISHLIST_COMMANDS):
+        reason = ""
+        for command in REJECT_WISHLIST_COMMANDS:
+            try:
+                reason = re.search(f"{command} (.*)", body).group(1).rstrip()
+            except:
+                pass
+        reject_wishlist(request, pr_infos, reason)
+        return response.text("ok")
+
     return response.empty()
 
 
@@ -162,32 +177,76 @@ def bump_revision(request: Request, pr_infos: dict) -> HTTPResponse:
     repository = data["repository"]["full_name"]
     branch = pr_infos["head"]["ref"]
 
-    logging.info(f"Will bump revision on {repository} branch {branch}...")
-    with tempfile.TemporaryDirectory() as folder_str:
-        folder = Path(folder_str)
-        repo = Repo.clone_from(
-            f"https://{github_login()}:{github_token()}@github.com/{repository}",
-            to_path=folder,
-        )
-        repo.git.checkout(branch)
+    if repository.startswith("YunoHost-Apps/"):
 
-        manifest_file = folder / "manifest.toml"
-        manifest = tomlkit.load(manifest_file.open("r", encoding="utf-8"))
-        version, revision = manifest["version"].split("~ynh")
-        revision = str(int(revision) + 1)
-        manifest["version"] = "~ynh".join([version, revision])
-        tomlkit.dump(manifest, manifest_file.open("w", encoding="utf-8"))
+        logging.info(f"Will bump revision on {repository} branch {branch}...")
+        with tempfile.TemporaryDirectory() as folder_str:
+            folder = Path(folder_str)
+            repo = Repo.clone_from(
+                f"https://{github_login()}:{github_token()}@github.com/{repository}",
+                to_path=folder,
+            )
+            repo.git.checkout(branch)
 
-        repo.git.add("manifest.toml")
-        repo.index.commit(
-            "Bump package revision",
-            author=Actor("yunohost-bot", "yunohost@yunohost.org"),
-        )
+            manifest_file = folder / "manifest.toml"
+            manifest = tomlkit.load(manifest_file.open("r", encoding="utf-8"))
+            version, revision = manifest["version"].split("~ynh")
+            revision = str(int(revision) + 1)
+            manifest["version"] = "~ynh".join([version, revision])
+            tomlkit.dump(manifest, manifest_file.open("w", encoding="utf-8"))
 
-        logging.debug(f"Pushing {repository}")
-        repo.remote().push(quiet=False, all=True)
-        return response.text("ok")
+            repo.git.add("manifest.toml")
+            repo.index.commit(
+                "Bump package revision",
+                author=Actor("yunohost-bot", "yunohost@yunohost.org"),
+            )
 
+            logging.debug(f"Pushing {repository}")
+            repo.remote().push(quiet=False, all=True)
+            return response.text("ok")
+
+def reject_wishlist(request: Request, pr_infos: dict, reason=None) -> HTTPResponse:
+    data = request.json
+    repository = data["repository"]["full_name"]
+    branch = pr_infos["head"]["ref"]
+
+    if repository == "YunoHost/apps" and branch.startswith("add-to-wishlist"):
+
+        logging.info(f"Will put the suggested app in the rejected list on {repository} branch {branch}...")
+        with tempfile.TemporaryDirectory() as folder_str:
+            folder = Path(folder_str)
+            repo = Repo.clone_from(
+                f"https://{github_login()}:{github_token()}@github.com/{repository}",
+                to_path=folder,
+            )
+            repo.git.checkout(branch)
+
+            rejectedlist_file = (folder / "rejectedlist.toml")
+            rejectedlist = tomlkit.load(rejectedlist_file.open("r", encoding="utf-8"))
+
+            wishlist_file = (folder / "wishlist.toml")
+            wishlist = tomlkit.load(wishlist_file.open("r", encoding="utf-8"))
+
+            suggestedapp_slug = branch.replace("add-to-wishlist-", "")
+            suggestedapp = {suggestedapp_slug:wishlist[suggestedapp_slug]}
+            suggestedapp[suggestedapp_slug]["rejection_pr"] = pr_infos["html_url"]
+            suggestedapp[suggestedapp_slug]["reason"] = reason
+
+            wishlist.pop(suggestedapp_slug)
+            rejectedlist.update(suggestedapp)
+
+            tomlkit.dump(rejectedlist, rejectedlist_file.open("w", encoding="utf-8"))
+            tomlkit.dump(wishlist, wishlist_file.open("w", encoding="utf-8"))
+
+            repo.git.add("rejectedlist.toml")
+            repo.git.add("wishlist.toml")
+
+            suggestedapp_name = suggestedapp[suggestedapp_slug]["name"]
+            repo.index.commit(f"Reject {suggestedapp_name} from catalog", author=Actor("yunohost-bot", "yunohost@yunohost.org"))
+
+            logging.debug(f"Pushing {repository}")
+            repo.remote().push(quiet=False, all=True, force=True)
+            return response.text("ok")
 
 def generate_and_commit_readmes(repo: Repo) -> bool:
     assert repo.working_tree_dir is not None