
Photo: Gobierno Cholula · CC BY-SA 2.0 · credits
Yuridia
Person · female · Mexico · Hermosillo · born 1985 · recording since 2005
Mexican singer
official homepagestreamingstreamingstreamingsocialsocialsocialdatabasedatabasedatabasevideo
Listen on SpotifyYouTube Music
Also known as Yuridia Francisca Gaxiola Flores · 尤里迪亚
Timeline
1980s
2000s
· Debut release
Debut release: La voz de un ángel
First documented Album in the MusicBrainz discography.
source: musicbrainz
2010s
2020s
Biography
Biography
Yuridia Francisca Gaxiola Flores (born 4 October 1986), known mononymously as Yuridia, is a Mexican singer. She came in second place in the fourth season of the reality show La Academia, which launched her career. She is considered as one of the most successful and most listened-to Mexican artists on digital platforms.
In 2005, Yuridia released her debut album La Voz de un Ángel
La voz de un ángelSpotify (search)YouTube Music (search)Tracklist · 16 tracks1Ángel4:162Ámame3:093Maldita primavera3:064Lo siento mi amor4:025Peligro3:246Así fue4:407Detras de mi ventana4:348Déjame volver contigo3:579Como yo te amo3:5410Daría3:4711La muerte del palomo3:2512Tú3:3513Mi forma de ser3:1814Si no te hubieras ido4:2215Mentira3:5616Sobreviviré3:36. It became the second best-selling album in 2006 and one of the fastest-selling albums of all time in Mexico. It has been certified Diamond since its release. Her second album, Habla El Corazón
Habla el corazónSpotify (search)YouTube Music (search)Tracklist · 10 tracks1Siempre te amaré (Every Breath You Take)3:552Como yo nadie te ha amado (This Ain't a Love Song)4:223Habla el corazón (Listen to Your Heart)4:544Otro día más sin verte (Just Another Day)4:205Todo lo que hago lo hago por ti (Everything I Do, I Do It For You)4:026Eclipse total del amor (Total Eclipse of the Heart)5:247Estar junto a ti (Angel)4:268Regresa a mí (Unbreak My Heart)4:259Rose (The Rose)3:5410El hombre del piano (Piano Man)5:19 was certified Platinum in Mexico after a few weeks of release. Entre Mariposas, Yuridia's third album with original songs, was released in late 2007. It was certified gold selling more than 50,000 copies within the first week of being released, peaking at number one position in the top selling charts.
Career
Yuridia won second place in the fourth season of La Academia, a popular Mexican reality show. Yuridia is the highest selling artist to come out of the reality show and most popular to this date. At age 19, Yuridia had become one of the highest selling artists in Mexico. Her debut album sold over 1,500,000 copies, which makes Yuridia the highest selling female artist in the country since Thalía in the 1990s, and beating out artists such as Luis Miguel, and Juan Gabriel. Her voice has earned her the nickname Voz de un Ángel (Voice of an Angel), leading to her debut album's title La Voz de un Ángel
La voz de un ángelSpotify (search)YouTube Music (search)Tracklist · 16 tracks1Ángel4:162Ámame3:093Maldita primavera3:064Lo siento mi amor4:025Peligro3:246Así fue4:407Detras de mi ventana4:348Déjame volver contigo3:579Como yo te amo3:5410Daría3:4711La muerte del palomo3:2512Tú3:3513Mi forma de ser3:1814Si no te hubieras ido4:2215Mentira3:5616Sobreviviré3:36. This album has been certified 2× Diamond and 3× Platinum + Gold.
On December 5, 2006, Sony BMG released Yuridia's second album, Habla El Corazón
Habla el corazónSpotify (search)YouTube Music (search)Tracklist · 10 tracks1Siempre te amaré (Every Breath You Take)3:552Como yo nadie te ha amado (This Ain't a Love Song)4:223Habla el corazón (Listen to Your Heart)4:544Otro día más sin verte (Just Another Day)4:205Todo lo que hago lo hago por ti (Everything I Do, I Do It For You)4:026Eclipse total del amor (Total Eclipse of the Heart)5:247Estar junto a ti (Angel)4:268Regresa a mí (Unbreak My Heart)4:259Rose (The Rose)3:5410El hombre del piano (Piano Man)5:19, as well as the first single "Como Yo Nadie Te Ha Amado", a cover of the Spanish version of Bon Jovi's "This Ain't a Love Song". The second and last single was Yuridia's cover for Roxette's Listen to Your Heart Spanish cover, Habla El Corazon. The album includes Spanish covers of well-known songs from artists such as Bonnie Tyler and The Police. The album sold 660,000 copies worldwide, and was certified 3× Platinum + Gold.
To this date, both the album and the single are Yuridia's most successful in the United States. The album debuted at 15 and peaked at #14, while the single peaked on Billboard's Hot Latin Tracks chart at 16. Her second single has managed to do what her previous second single did not, enter the HLT chart and has peaked at number 44.
Yuridia's third solo album, Entre Mariposas
Entre mariposasSpotify (search)YouTube Music (search)Tracklist · 12 tracks1En su lugar3:462Me pierdo3:323Colgada a ti3:174Ahora entendí3:465Ganas de volar3:366Sin ti3:327Enamorada4:358Más de lo que pido3:269Yo por él3:3710Un día más4:4011Se me va la vida3:4112Ya no3:29, was released on November 15, 2007, in Mexico. The first single from the album was "Ahora Entendí", written by her and Camila's Mario Domm. The following single is Yo Por El. It peaked at #1 in Mexico and in Central America. The third and last single is En Su Lugar, it debuted at #16, finally topping the #4 spot. The album, produced by Javier Calderón, quickly garnered major sales and has already been certified Gold for selling 50,000 copies within the first day of its release. It has also been certified 4× Platinum + Gold for a total of 650,000 copies worldwide.
She has been nominated for awards such as, Latin Grammy, Premios Juventud Latin Billboard OYE awards and Lo Nuestro music awards.
On April 26, 2007, Yuridia won a Latin Billboard Award for Best Pop Female Album.
In early May 2007, Yuridia also received four nominations for the Premios Juventud. She was nominated for Best Artist, Best Album, Catchiest Song and Most Heart-Breaking Song.
By the end of 2008, Yuridia won a Premios Oye award as the best Female Artist of the year.
In 2009 she also had three nominations for (Lo nuestro Music awards) "Best Artist", "Best Album" (Entre Mariposas), and "Catchiest Song"(Ahora entendi).
On September 30, 2009, she released her fourth studio album, Nada es Color de Rosa
Nada es color de rosaSpotify (search)YouTube Music (search)Tracklist · 11 tracks1Irremediable3:552Contigo3:433Llévame4:124Un paso más3:465Como la marea4:176Me olvidarás4:177Sin miedo de caer4:188Sobrenatural3:449Todas las noches4:0910Amor en desamor3:5211No me preguntes más4:00. This album has sold 120,000 copies.
In 2016, through a statement, announced her entry to Televisa, after belonging to TV Azteca for 9 years, having participated in the singing reality La Academia.
On April 27, 2022, it was announced they Yuridia would return to TV Azteca, but this time as a coach of La Voz... México alongside Ha*Ash, David Bisbal and Joss Favela. A contestant on her team, Fátima Elizondo won the competition on August 29, 2022, making Yuridia the winning coach.
Personal life
Yuridia was born in Hermosillo, Sonora, but grew up in Mesa, Arizona. She considers Mesa to be her hometown. She is the oldest of five. She had two brothers and two sisters, but her younger brother Danny suffered from muscular dystrophy. He died in Mesa at age 15 in December 2005. The death of her brother had a major impact on her life. She left Mesa High School during her senior year to be on La Academia.
Yuridia was romantically involved with Edgar Guerrero, whom she met on La Academia. The two have a son, Phoenix (named after actor Joaquin Phoenix), who also aspires becoming a singer. He released his first single in 2022 at the age of 13.
In December 2019, Yuridia confirmed she had married her longtime boyfriend and still-manager, Argentinian Matías Aranda, whom she had been dating for approximately seven years. The wedding was very private and took place in Tepoztlán, Morelos. On July 13, 2023, she gave birth to her second child but first with Aranda, whom they named Benicio. In July 2025, Yuridia gave birth to her third child, Noah Valentin Aranda Gaxiola.
Discography & profile
Normalised profile
Percentiles are computed over every artist in the database, so a tier-3 artist can still sit in the 95th percentile on a single axis.
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 16 | 74.5th |
| Spotify monthly listeners | 8,566,388 | 25.6th |
| Release groups in DB | 21 | 87.5th |
| Studio albums | 8 | 88.9th |
| Awards recorded | 0 | 0th |
| Timeline events | 10 | 86.7th |
| Recording span (years) | 21 | 47.7th |
| Genres | 5 | 88.3th |
Percentiles are computed at render time; missing values mean the artist has no data on that axis.
Discography (21 release groups · 8 studio albums)
Albums · 8
2005 · studio album
Search SpotifySearch YouTube Music
Tracklist · 16 tracks · 1:01:01
1Ángel4:162Ámame3:093Maldita primavera3:064Lo siento mi amor4:025Peligro3:246Así fue4:407Detras de mi ventana4:348Déjame volver contigo3:579Como yo te amo3:5410Daría3:4711La muerte del palomo3:2512Tú3:3513Mi forma de ser3:1814Si no te hubieras ido4:2215Mentira3:5616Sobreviviré3:362006 · studio album
Search SpotifySearch YouTube Music
Tracklist · 10 tracks · 45:01
1Siempre te amaré (Every Breath You Take)3:552Como yo nadie te ha amado (This Ain't a Love Song)4:223Habla el corazón (Listen to Your Heart)4:544Otro día más sin verte (Just Another Day)4:205Todo lo que hago lo hago por ti (Everything I Do, I Do It For You)4:026Eclipse total del amor (Total Eclipse of the Heart)5:247Estar junto a ti (Angel)4:268Regresa a mí (Unbreak My Heart)4:259Rose (The Rose)3:5410El hombre del piano (Piano Man)5:192007 · studio album
Search SpotifySearch YouTube Music
Tracklist · 12 tracks · 44:57
1En su lugar3:462Me pierdo3:323Colgada a ti3:174Ahora entendí3:465Ganas de volar3:366Sin ti3:327Enamorada4:358Más de lo que pido3:269Yo por él3:3710Un día más4:4011Se me va la vida3:4112Ya no3:292009 · studio album
Search SpotifySearch YouTube Music
Tracklist · 11 tracks · 44:13
1Irremediable3:552Contigo3:433Llévame4:124Un paso más3:465Como la marea4:176Me olvidarás4:177Sin miedo de caer4:188Sobrenatural3:449Todas las noches4:0910Amor en desamor3:5211No me preguntes más4:002011 · studio album
Search SpotifySearch YouTube Music
Tracklist · 11 tracks · 40:06
1Con solo una mirada3:472Ya te olvidé3:333Pienso en tí3:544A dónde va el amor3:465Si quieres verme llorar3:086Enamorada y herida3:457Señora3:448Noche de copas3:119Lo que son las cosas3:5610Quererte a ti3:4811Bailando sin salir de casa3:342015 · studio album
Search SpotifySearch YouTube Music
Tracklist · 20 tracks · 47:15
Disc 11Ya es muy tarde4:042No sabía3:123Así se fue3:024Te equivocaste4:065Para decir adiós3:226Cobarde4:077Polos opuestos3:478Deja3:119Mentira4:3710Alguna vez3:3911Sin la memoria2:5212Cómo3:0313Se va a terminar4:13Disc 21Polos opuestos2Angel3No la beses4Ya es muy tarde5No ordinary love6Te equivocaste7Cuento2022 · studio album
Search SpotifySearch YouTube Music
Tracklist · 28 tracks · 46:09
Disc 11Alma enamorada2:562Y tú, ¿Qué ganas?2:583¿Con qué se pega un corazón?3:484¿Y qué tal si funciona?3:055Te dejo3:056Empieza a preocuparte3:287Me hace tanto bien3:518Si no piensas cambiar4:179Brujería2:0210Qué agonía2:3311Aquí ya nadie te extraña3:2712No son horas3:2313Por salud mental3:3314Te estabas tardando3:43Disc 21Alma enamorada2Y tú, ¿Qué ganas?3¿Con qué se pega un corazón?4¿Y qué tal si funciona?5Te dejo6Empieza a preocuparte7Me hace tanto bien8Si no piensas cambiar9Brujería10Qué agonía11Aquí ya nadie te extraña12No son horas13Por salud mental14Te estabas tardando2025 · studio album
Search SpotifySearch YouTube Music
Tracklist · 37 tracks · 2:01:37
1No son horas - en vivo desde la Plaza de toros Monumental de México3:202Malamente - en vivo desde la Plaza de toros Monumental de México1:433Para que seas feliz - en vivo desde la Plaza de toros Monumental de México3:004Brujería - en vivo desde la Plaza de toros Monumental de México2:065Él lo tiene todo - en vivo desde la Plaza de toros Monumental de México3:356Como yo nadie te ha amado - en vivo desde la Plaza de toros Monumental de México2:577Señora - en vivo desde la Plaza de toros Monumental de México1:588Ya es muy tarde - en vivo desde la Plaza de toros Monumental de México6:249Lo que son las cosas - en vivo desde la Plaza de toros Monumental de México3:3310Ahora entendí - en vivo desde la Plaza de toros Monumental de México2:2111Cobarde - en vivo desde la Plaza de toros Monumental de México2:2312Te equivocaste - en vivo desde la Plaza de toros Monumental de México3:4213Ya te olvidé - en vivo desde la Plaza de toros Monumental de México3:2414Ángel - en vivo desde la Plaza de toros Monumental de México5:2515Te dejo - en vivo desde la Plaza de toros Monumental de México3:5816Llévate - en vivo desde la Plaza de toros Monumental de México3:1117Alma enamorada - en vivo desde la Plaza de toros Monumental de México2:2518Maldita primavera - en vivo desde la Plaza de toros Monumental de México3:3819Enamorada y herida - en vivo desde la Plaza de toros Monumental de México2:3520Si quieres verme llorar - en vivo desde la Plaza de toros Monumental de México3:3321¿Qué nos pasó? - en vivo desde la Plaza de toros Monumental de México4:1022Dime - en vivo desde la Plaza de toros Monumental de México2:4923Besos y copas - en vivo desde la Plaza de toros Monumental de México1:5924Así fue - en vivo desde la Plaza de toros Monumental de México2:5225Un bendito día - en vivo desde la Plaza de toros Monumental de México3:3026Se va a terminar - en vivo desde la Plaza de toros Monumental de México2:2427No la beses - en vivo desde la Plaza de toros Monumental de México3:0828Sin llorar - en vivo desde la Plaza de toros Monumental de México3:4029Si no piensas cambiar - en vivo desde la Plaza de toros Monumental de México4:3430¿con qué se pega un corazón? - en vivo desde la Plaza de toros Monumental de México3:4731¿y qué tal si funciona? - en vivo desde la Plaza de toros Monumental de México3:0532Me hace tanto bien - en vivo desde la Plaza de toros Monumental de México2:3033Mi eterno amor secreto - en vivo desde la Plaza de toros Monumental de México3:5334Amigos no por favor - en vivo desde la Plaza de toros Monumental de México4:0535Felicítalo - en vivo desde la Plaza de toros Monumental de México2:3336La bienvenida - en vivo desde la Plaza de toros Monumental de México2:2337Qué agonía - en vivo desde la Plaza de toros Monumental de México5:04
Album · 3
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2008 | Yuridia (remixes)Search SpotifySearch YouTube MusicTracklist · 10 tracks · 48:311Ahora entendí (Rocasound Phunk mix)4:26 2Ángel (Rocasound mix)3:40 3Se me va la vida (Rocasound mix)5:50 4Eclipse total del amor (Total Eclipse of the Heart) (Rocasound mix)6:54 5Como yo nadie te ha amado (This Ain't a Love Song) (Rocasound Balearic version)4:16 6Yo por él (Rocasound Peaktime dub)5:31 7En su lugar (Rocasound Electro mix)5:56 8Habla el corazón (Listen to Your Heart) (Rocasound mix)4:38 9Maldita primavera (Rocasound Bristol dub)3:44 10Como yo nadie te ha amado (This Ain't a Love Song) (L.E.X. Reaffirmation edit)3:36 | Remix | 24 June 2008 | |
| 2012 | Lo Esencial de YuridiaSearch SpotifySearch YouTube MusicTracklist · 42 tracks · 2:45:37Disc 1 1Ya Te Olvidé3:33 2En Su Lugar3:41 3¿Qué Nos Pasó?3:51 4Como Yo Nadie Te Ha Amado (This Ain't a Love Song)4:21 5Todo Lo Que Hago por Ti (Everything I Do) [I Do It for You]4:02 6Me Olvídaras4:14 7Si No Te Hubieras Ido4:20 8Estar Junto a Ti (Ángel)4:26 9Enamorada y Herida3:45 10Se Me Va la Vída3:38 11Más de Lo Que Pido3:25 13Noche de Copas3:09 14Contigo3:40 15Lo Siento Mi Amor4:00 Disc 21Ahora Entendi3:41 2Lo Que Son las Cosas3:56 3Eclipse Total del Amor [Total Eclipse of the Heart]5:25 4Habla el Corazón (Listen To Your Heart)4:54 5Señora3:43 6Otro Día Más (Just Añother Day)4:20 7Quererte a Ti3:44 8Con Solo una Mirada3:47 9Yo por El3:35 10Todas las Noches4:07 11Así Fue4:39 12Regresa a Mí (Unbreak My Heart)4:25 13Siempre Te Amaré (Every Breath You Take)3:55 14Pienso en Tí3:53 15Enamorada4:35 Disc 32Irremedíable3:53 3Nuestro Amor Se Ha Vuelto Ayer [Balad Version]3:58 4No Me Preguntes Más3:58 5Maldita Primavera3:04 6Detrás de Mi Ventana4:32 7El Hombre del Piaño (Piano Man)5:19 9Sobreviviré3:32 10Si Quieres Verme Llorar3:07 11En el Amor No Sé Manda3:28 12A Dónde Va el Amor3:45 13La Muerte del Palomo3:23 14Peligro3:22 15Ganas de Volar3:32 | Compilation | 11 December 2012 | |
| 2017 | Primera filaSearch SpotifySearch YouTube MusicTracklist · 35 tracks · 2:22:15Disc 1 1Llévame4:31 2Ahora entendí4:00 3En su lugar3:01 4Polos opuestos / Noche de copas4:08 5Señora3:41 6Te equivocaste4:06 7La duda3:23 8Irremediable3:51 9Como yo nadie te ha amado4:11 10Amigos no por favor3:45 11Si quieres verme llorar3:16 12Cobarde3:50 13Respóndeme tú3:25 14Ya te olvidé3:36 15Que nadie se entere3:47 16Lo que son las cosas3:55 17Ángel4:41 Disc 21Llévame4:31 2Ahora entendí4:00 3En su lugar3:01 4Polos opuestos / Noche de copas4:08 5Señora3:41 6Te equivocaste4:06 7La duda3:23 8Irremediable3:51 9Como yo nadie te ha amado4:11 10Amigos no por favor3:45 11Si quieres verme llorar3:16 12Cobarde3:50 13Respóndeme tú3:25 14Ya te olvidé3:36 15Que nadie se entere3:47 16Lo que son las cosas3:55 17Ángel4:41 18Documental12:01 | Live | 24 November 2017 |
Single · 9
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2010 | ContigoSearch SpotifySearch YouTube MusicTracklist · 1 track · 3:421Contigo3:42 | 20 July 2010 | ||
| 2011 | QuizásSearch SpotifySearch YouTube MusicTracklist · 1 track · 4:281Quizás4:28 | 14 February 2011 | ||
| 2011 | Ya te olvidéSearch SpotifySearch YouTube MusicTracklist · 1 track · 3:311Ya te olvidé3:31 | 15 November 2011 | ||
| 2013 | El alma en pieSearch SpotifySearch YouTube MusicTracklist · 1 track · 4:061El alma en pie4:06 | 25 June 2013 | ||
| 2015 | Ya Es Muy TardeSearch SpotifySearch YouTube MusicTracklist · 1 track · 4:021Ya Es Muy Tarde4:02 | 26 June 2015 | ||
| 2019 | Yo te prefiero a ti (versión banda)Search SpotifySearch YouTube MusicTracklist · 1 track · 3:471Yo te prefiero a ti (versión banda)3:47 | 12 July 2019 | ||
| 2020 | Él Lo Tiene TodoSearch SpotifySearch YouTube MusicTracklist · 1 track · 3:341Él Lo Tiene Todo3:34 | 28 August 2020 | ||
| 2024 | Mi eterno amor secretoSearch SpotifySearch YouTube MusicTracklist · 1 track · 3:521Mi eterno amor secreto3:52 | Live | February 2024 | |
| 2026 | La Mala Era YoSearch SpotifySearch YouTube MusicTracklist · 1 track · 2:301La Mala Era Yo2:30 | 26 February 2026 |
EP · 1
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2024 | Literal - EPSearch SpotifySearch YouTube MusicTracklist · 6 tracks · 19:571Literal3:09 2Sin Llorar3:43 3Llévate3:11 4Felicítalo3:06 5Malamente2:56 6Mi Eterno Amor Secreto3:52 | 27 June 2024 |
Stats & PK
Percentile within all 23,672 published artists.Put Yuridia head-to-head →
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 16 | 74.5th |
| Spotify monthly listeners | 8,566,388 | 25.6th |
| Release groups in DB | 21 | 87.5th |
| Studio albums | 8 | 88.9th |
| Awards recorded | 0 | 0th |
| Timeline events | 10 | 86.7th |
| Recording span (years) | 21 | 47.7th |
| Genres | 5 | 88.3th |
Awards & honours
Where this record comes from
portrait—Wikimedia Commons · CC BY-SA 2.0 · retrieved 11 October 2026
https://commons.wikimedia.org/wiki/File:15_Septiembre_2018._Concierto_de_Yahir_y_Yuridia_%28cropped%29.jpgpopularity—kworb.net · no licence published · retrieved 11 October 2026
https://kworb.net/spotify/listeners.htmlaliases/urls—musicbrainz · CC0 · retrieved 10 October 2026
https://musicbrainz.org/artist/15ba83b7-d89a-4dd6-9695-1290fb567493discography—musicbrainz · CC0 · retrieved 10 October 2026
https://musicbrainz.org/artist/15ba83b7-d89a-4dd6-9695-1290fb567493core—wikidata · CC0 · retrieved 10 October 2026
https://www.wikidata.org/wiki/Q2352901genre—wikidata · CC0 · retrieved 11 October 2026
https://www.wikidata.org/wiki/Q2352901seed-list—wikipedia · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Yuridiabiography—wikipedia-en · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Yuridia
Why this artist is in the database
- Spotify monthly listeners (kworb.net) — rank #1618 · 8,566,388
Yuridia
- List of Mexican singers
Tier rule: notable long tail (listeners 8,566,388, 16 language versions)
Image: Gobierno Cholula · CC BY-SA 2.0 · Wikimedia Commons
Wikidata: Q2352901 · MusicBrainz: 15ba83b7-d89a-4dd6-9695-1290fb567493
Similar artists
Browse every Tier 3 artist →Ranked from this record's own data: shared genre tags (rarer tags weigh more), era, home country and comparable fame. Every card lists the signals that placed it — no editorial picks.

Diljit Dosanjh
United States · Person
pop music
1 shared genre tag · debut 2003, 2 years apart
18.4M listeners · 25 wikis

RBD
Mexico · Group
pop music
1 shared genre tag · debut 2004, 1 year apart · from Mexico
41 wikis

Bob Gaudio
United States · Person
pop music
1 shared genre tag · debut 2005, same year
16 wikis

Pitbull
Person
pop music
1 shared genre tag · debut 2004, 1 year apart
78.8M listeners · 62 wikis

Avicii
Sweden · Person
pop music
1 shared genre tag · debut 2008, 3 years apart
39M listeners · 89 wikis

Kendrick Lamar
United States · Person
pop music
1 shared genre tag · debut 2004, 1 year apart
71.1M listeners · 75 wikis

Flo Rida
United States · Person
pop music
1 shared genre tag · debut 2007, 2 years apart
44.5M listeners · 53 wikis

Yo Yo Honey Singh
India · Person
pop music
1 shared genre tag · debut 2010
20M listeners · 23 wikis